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Finding the Fourth Proportional to 132,117.93, 198,176.36 and 47,858.38

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Solution

The fourth proportional to 132,117.93, 198,176.36 and 47,858.38 is: 71,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,117.93 : 198,176.36 = 47,858.38 : x
  2. Step 2: Convert to fraction form
    132,117.93/198,176.36 = 47,858.38/x
  3. Step 3: Cross multiply
    132,117.93x = 198,176.36 × 47,858.38
  4. Step 4: Simplify right side
    132,117.93x = 9,484,399,543.90
  5. Step 5: Solve for x
    x = 9,484,399,543.90/132,117.93
  6. Step 6: Final answer
    x = 71,787.38

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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.