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Finding the Fourth Proportional to 123,602.88, 185,431.32 and 44,708.88

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Solution

The fourth proportional to 123,602.88, 185,431.32 and 44,708.88 is: 67,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,602.88 : 185,431.32 = 44,708.88 : x
  2. Step 2: Convert to fraction form
    123,602.88/185,431.32 = 44,708.88/x
  3. Step 3: Cross multiply
    123,602.88x = 185,431.32 × 44,708.88
  4. Step 4: Simplify right side
    123,602.88x = 8,290,426,634.12
  5. Step 5: Solve for x
    x = 8,290,426,634.12/123,602.88
  6. Step 6: Final answer
    x = 67,073.09

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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.