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Finding the Fourth Proportional to 103,463.93, 142,780.08 and 60,472.98

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Solution

The fourth proportional to 103,463.93, 142,780.08 and 60,472.98 is: 83,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,463.93 : 142,780.08 = 60,472.98 : x
  2. Step 2: Convert to fraction form
    103,463.93/142,780.08 = 60,472.98/x
  3. Step 3: Cross multiply
    103,463.93x = 142,780.08 × 60,472.98
  4. Step 4: Simplify right side
    103,463.93x = 8,634,337,149.01
  5. Step 5: Solve for x
    x = 8,634,337,149.01/103,463.93
  6. Step 6: Final answer
    x = 83,452.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.