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Finding the Fourth Proportional to 122,434.59, 183,691.58 and 60,061.35

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Solution

The fourth proportional to 122,434.59, 183,691.58 and 60,061.35 is: 90,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,434.59 : 183,691.58 = 60,061.35 : x
  2. Step 2: Convert to fraction form
    122,434.59/183,691.58 = 60,061.35/x
  3. Step 3: Cross multiply
    122,434.59x = 183,691.58 × 60,061.35
  4. Step 4: Simplify right side
    122,434.59x = 11,032,764,278.43
  5. Step 5: Solve for x
    x = 11,032,764,278.43/122,434.59
  6. Step 6: Final answer
    x = 90,111.50

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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.