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Finding the Fourth Proportional to 71,373.70, 106,945.35 and 59,623.30

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Solution

The fourth proportional to 71,373.70, 106,945.35 and 59,623.30 is: 89,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,373.70 : 106,945.35 = 59,623.30 : x
  2. Step 2: Convert to fraction form
    71,373.70/106,945.35 = 59,623.30/x
  3. Step 3: Cross multiply
    71,373.70x = 106,945.35 × 59,623.30
  4. Step 4: Simplify right side
    71,373.70x = 6,376,434,686.66
  5. Step 5: Solve for x
    x = 6,376,434,686.66/71,373.70
  6. Step 6: Final answer
    x = 89,338.72

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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.