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Finding the Fourth Proportional to 109,251.64, 163,877.46 and 62,471.72

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Solution

The fourth proportional to 109,251.64, 163,877.46 and 62,471.72 is: 93,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,251.64 : 163,877.46 = 62,471.72 : x
  2. Step 2: Convert to fraction form
    109,251.64/163,877.46 = 62,471.72/x
  3. Step 3: Cross multiply
    109,251.64x = 163,877.46 × 62,471.72
  4. Step 4: Simplify right side
    109,251.64x = 10,237,706,795.43
  5. Step 5: Solve for x
    x = 10,237,706,795.43/109,251.64
  6. Step 6: Final answer
    x = 93,707.58

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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.