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Finding the Fourth Proportional to 96,610.60, 144,915.90 and 26,487.40

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Solution

The fourth proportional to 96,610.60, 144,915.90 and 26,487.40 is: 39,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,610.60 : 144,915.90 = 26,487.40 : x
  2. Step 2: Convert to fraction form
    96,610.60/144,915.90 = 26,487.40/x
  3. Step 3: Cross multiply
    96,610.60x = 144,915.90 × 26,487.40
  4. Step 4: Simplify right side
    96,610.60x = 3,838,445,409.66
  5. Step 5: Solve for x
    x = 3,838,445,409.66/96,610.60
  6. Step 6: Final answer
    x = 39,731.10

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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.