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Finding the Fourth Proportional to 97,827.60, 146,741.40 and 86,552.40

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Solution

The fourth proportional to 97,827.60, 146,741.40 and 86,552.40 is: 129,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,827.60 : 146,741.40 = 86,552.40 : x
  2. Step 2: Convert to fraction form
    97,827.60/146,741.40 = 86,552.40/x
  3. Step 3: Cross multiply
    97,827.60x = 146,741.40 × 86,552.40
  4. Step 4: Simplify right side
    97,827.60x = 12,700,820,349.36
  5. Step 5: Solve for x
    x = 12,700,820,349.36/97,827.60
  6. Step 6: Final answer
    x = 129,828.60

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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.