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Finding the Fourth Proportional to 124,044.60, 185,951.70 and 86,604.60

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Solution

The fourth proportional to 124,044.60, 185,951.70 and 86,604.60 is: 129,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,044.60 : 185,951.70 = 86,604.60 : x
  2. Step 2: Convert to fraction form
    124,044.60/185,951.70 = 86,604.60/x
  3. Step 3: Cross multiply
    124,044.60x = 185,951.70 × 86,604.60
  4. Step 4: Simplify right side
    124,044.60x = 16,104,272,597.82
  5. Step 5: Solve for x
    x = 16,104,272,597.82/124,044.60
  6. Step 6: Final answer
    x = 129,826.47

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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.