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Finding the Fourth Proportional to 97,393.08, 146,088.09 and 49,980.81

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Solution

The fourth proportional to 97,393.08, 146,088.09 and 49,980.81 is: 74,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,393.08 : 146,088.09 = 49,980.81 : x
  2. Step 2: Convert to fraction form
    97,393.08/146,088.09 = 49,980.81/x
  3. Step 3: Cross multiply
    97,393.08x = 146,088.09 × 49,980.81
  4. Step 4: Simplify right side
    97,393.08x = 7,301,601,069.55
  5. Step 5: Solve for x
    x = 7,301,601,069.55/97,393.08
  6. Step 6: Final answer
    x = 74,970.43

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.