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Finding the Fourth Proportional to 132,655.52, 183,077.52 and 99,063.20

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Solution

The fourth proportional to 132,655.52, 183,077.52 and 99,063.20 is: 136,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,655.52 : 183,077.52 = 99,063.20 : x
  2. Step 2: Convert to fraction form
    132,655.52/183,077.52 = 99,063.20/x
  3. Step 3: Cross multiply
    132,655.52x = 183,077.52 × 99,063.20
  4. Step 4: Simplify right side
    132,655.52x = 18,136,244,979.26
  5. Step 5: Solve for x
    x = 18,136,244,979.26/132,655.52
  6. Step 6: Final answer
    x = 136,716.85

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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.