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Finding the Fourth Proportional to 132,901.56, 199,318.38 and 39,385.44

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Solution

The fourth proportional to 132,901.56, 199,318.38 and 39,385.44 is: 59,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,901.56 : 199,318.38 = 39,385.44 : x
  2. Step 2: Convert to fraction form
    132,901.56/199,318.38 = 39,385.44/x
  3. Step 3: Cross multiply
    132,901.56x = 199,318.38 × 39,385.44
  4. Step 4: Simplify right side
    132,901.56x = 7,850,242,096.39
  5. Step 5: Solve for x
    x = 7,850,242,096.39/132,901.56
  6. Step 6: Final answer
    x = 59,068.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.