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Finding the Fourth Proportional to 61,668.10, 92,502.15 and 22,229.20

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Solution

The fourth proportional to 61,668.10, 92,502.15 and 22,229.20 is: 33,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.10 : 92,502.15 = 22,229.20 : x
  2. Step 2: Convert to fraction form
    61,668.10/92,502.15 = 22,229.20/x
  3. Step 3: Cross multiply
    61,668.10x = 92,502.15 × 22,229.20
  4. Step 4: Simplify right side
    61,668.10x = 2,056,248,792.78
  5. Step 5: Solve for x
    x = 2,056,248,792.78/61,668.10
  6. Step 6: Final answer
    x = 33,343.80

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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.