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Finding the Fourth Proportional to 71,001.48, 106,446.08 and 35,444.54

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Solution

The fourth proportional to 71,001.48, 106,446.08 and 35,444.54 is: 53,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,001.48 : 106,446.08 = 35,444.54 : x
  2. Step 2: Convert to fraction form
    71,001.48/106,446.08 = 35,444.54/x
  3. Step 3: Cross multiply
    71,001.48x = 106,446.08 × 35,444.54
  4. Step 4: Simplify right side
    71,001.48x = 3,772,932,340.40
  5. Step 5: Solve for x
    x = 3,772,932,340.40/71,001.48
  6. Step 6: Final answer
    x = 53,138.78

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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.