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Finding the Fourth Proportional to 64,502.20, 96,753.30 and 17,117.20

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Solution

The fourth proportional to 64,502.20, 96,753.30 and 17,117.20 is: 25,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,502.20 : 96,753.30 = 17,117.20 : x
  2. Step 2: Convert to fraction form
    64,502.20/96,753.30 = 17,117.20/x
  3. Step 3: Cross multiply
    64,502.20x = 96,753.30 × 17,117.20
  4. Step 4: Simplify right side
    64,502.20x = 1,656,145,586.76
  5. Step 5: Solve for x
    x = 1,656,145,586.76/64,502.20
  6. Step 6: Final answer
    x = 25,675.80

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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.