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Finding the Fourth Proportional to 103,474.83, 155,082.47 and 44,240.97

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Solution

The fourth proportional to 103,474.83, 155,082.47 and 44,240.97 is: 66,305.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,474.83 : 155,082.47 = 44,240.97 : x
  2. Step 2: Convert to fraction form
    103,474.83/155,082.47 = 44,240.97/x
  3. Step 3: Cross multiply
    103,474.83x = 155,082.47 × 44,240.97
  4. Step 4: Simplify right side
    103,474.83x = 6,860,998,681.59
  5. Step 5: Solve for x
    x = 6,860,998,681.59/103,474.83
  6. Step 6: Final answer
    x = 66,305.97

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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.