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Finding the Fourth Proportional to 97,001.16, 133,866.60 and 53,980.74

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Solution

The fourth proportional to 97,001.16, 133,866.60 and 53,980.74 is: 74,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,001.16 : 133,866.60 = 53,980.74 : x
  2. Step 2: Convert to fraction form
    97,001.16/133,866.60 = 53,980.74/x
  3. Step 3: Cross multiply
    97,001.16x = 133,866.60 × 53,980.74
  4. Step 4: Simplify right side
    97,001.16x = 7,226,218,129.28
  5. Step 5: Solve for x
    x = 7,226,218,129.28/97,001.16
  6. Step 6: Final answer
    x = 74,496.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.