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Finding the Fourth Proportional to 132,767.92, 183,287.42 and 89,973.48

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Solution

The fourth proportional to 132,767.92, 183,287.42 and 89,973.48 is: 124,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,767.92 : 183,287.42 = 89,973.48 : x
  2. Step 2: Convert to fraction form
    132,767.92/183,287.42 = 89,973.48/x
  3. Step 3: Cross multiply
    132,767.92x = 183,287.42 × 89,973.48
  4. Step 4: Simplify right side
    132,767.92x = 16,491,007,017.62
  5. Step 5: Solve for x
    x = 16,491,007,017.62/132,767.92
  6. Step 6: Final answer
    x = 124,209.27

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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.