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Finding the Fourth Proportional to 132,753.70, 183,179.52 and 76,154.14

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Solution

The fourth proportional to 132,753.70, 183,179.52 and 76,154.14 is: 105,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,753.70 : 183,179.52 = 76,154.14 : x
  2. Step 2: Convert to fraction form
    132,753.70/183,179.52 = 76,154.14/x
  3. Step 3: Cross multiply
    132,753.70x = 183,179.52 × 76,154.14
  4. Step 4: Simplify right side
    132,753.70x = 13,949,878,811.21
  5. Step 5: Solve for x
    x = 13,949,878,811.21/132,753.70
  6. Step 6: Final answer
    x = 105,080.90

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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.