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Finding the Fourth Proportional to 106,373.52, 146,775.24 and 63,916.56

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Solution

The fourth proportional to 106,373.52, 146,775.24 and 63,916.56 is: 88,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,373.52 : 146,775.24 = 63,916.56 : x
  2. Step 2: Convert to fraction form
    106,373.52/146,775.24 = 63,916.56/x
  3. Step 3: Cross multiply
    106,373.52x = 146,775.24 × 63,916.56
  4. Step 4: Simplify right side
    106,373.52x = 9,381,368,433.97
  5. Step 5: Solve for x
    x = 9,381,368,433.97/106,373.52
  6. Step 6: Final answer
    x = 88,192.70

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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.