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Finding the Fourth Proportional to 64,856.80, 97,285.20 and 62,264.80

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Solution

The fourth proportional to 64,856.80, 97,285.20 and 62,264.80 is: 93,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,856.80 : 97,285.20 = 62,264.80 : x
  2. Step 2: Convert to fraction form
    64,856.80/97,285.20 = 62,264.80/x
  3. Step 3: Cross multiply
    64,856.80x = 97,285.20 × 62,264.80
  4. Step 4: Simplify right side
    64,856.80x = 6,057,443,520.96
  5. Step 5: Solve for x
    x = 6,057,443,520.96/64,856.80
  6. Step 6: Final answer
    x = 93,397.20

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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.