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Finding the Fourth Proportional to 123,432, 185,148.08 and 29,937.76

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Solution

The fourth proportional to 123,432, 185,148.08 and 29,937.76 is: 44,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,432 : 185,148.08 = 29,937.76 : x
  2. Step 2: Convert to fraction form
    123,432/185,148.08 = 29,937.76/x
  3. Step 3: Cross multiply
    123,432x = 185,148.08 × 29,937.76
  4. Step 4: Simplify right side
    123,432x = 5,542,918,783.50
  5. Step 5: Solve for x
    x = 5,542,918,783.50/123,432
  6. Step 6: Final answer
    x = 44,906.66

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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.