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Finding the Fourth Proportional to 119,602.41, 165,049.55 and 65,887.46

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Solution

The fourth proportional to 119,602.41, 165,049.55 and 65,887.46 is: 90,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,602.41 : 165,049.55 = 65,887.46 : x
  2. Step 2: Convert to fraction form
    119,602.41/165,049.55 = 65,887.46/x
  3. Step 3: Cross multiply
    119,602.41x = 165,049.55 × 65,887.46
  4. Step 4: Simplify right side
    119,602.41x = 10,874,695,334.97
  5. Step 5: Solve for x
    x = 10,874,695,334.97/119,602.41
  6. Step 6: Final answer
    x = 90,923.72

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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.