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Finding the Fourth Proportional to 60,044.43, 90,123.09 and 30,483.48

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Solution

The fourth proportional to 60,044.43, 90,123.09 and 30,483.48 is: 45,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,044.43 : 90,123.09 = 30,483.48 : x
  2. Step 2: Convert to fraction form
    60,044.43/90,123.09 = 30,483.48/x
  3. Step 3: Cross multiply
    60,044.43x = 90,123.09 × 30,483.48
  4. Step 4: Simplify right side
    60,044.43x = 2,747,265,411.55
  5. Step 5: Solve for x
    x = 2,747,265,411.55/60,044.43
  6. Step 6: Final answer
    x = 45,753.88

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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.