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Finding the Fourth Proportional to 132,652.86, 183,001.80 and 89,618.52

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Solution

The fourth proportional to 132,652.86, 183,001.80 and 89,618.52 is: 123,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,652.86 : 183,001.80 = 89,618.52 : x
  2. Step 2: Convert to fraction form
    132,652.86/183,001.80 = 89,618.52/x
  3. Step 3: Cross multiply
    132,652.86x = 183,001.80 × 89,618.52
  4. Step 4: Simplify right side
    132,652.86x = 16,400,350,473.34
  5. Step 5: Solve for x
    x = 16,400,350,473.34/132,652.86
  6. Step 6: Final answer
    x = 123,633.60

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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.