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Finding the Fourth Proportional to 119,650.59, 165,118.92 and 65,937.53

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Solution

The fourth proportional to 119,650.59, 165,118.92 and 65,937.53 is: 90,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,650.59 : 165,118.92 = 65,937.53 : x
  2. Step 2: Convert to fraction form
    119,650.59/165,118.92 = 65,937.53/x
  3. Step 3: Cross multiply
    119,650.59x = 165,118.92 × 65,937.53
  4. Step 4: Simplify right side
    119,650.59x = 10,887,532,585.79
  5. Step 5: Solve for x
    x = 10,887,532,585.79/119,650.59
  6. Step 6: Final answer
    x = 90,994.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.