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Finding the Fourth Proportional to 101,644.72, 140,265.92 and 58,626.02

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Solution

The fourth proportional to 101,644.72, 140,265.92 and 58,626.02 is: 80,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,644.72 : 140,265.92 = 58,626.02 : x
  2. Step 2: Convert to fraction form
    101,644.72/140,265.92 = 58,626.02/x
  3. Step 3: Cross multiply
    101,644.72x = 140,265.92 × 58,626.02
  4. Step 4: Simplify right side
    101,644.72x = 8,223,232,631.24
  5. Step 5: Solve for x
    x = 8,223,232,631.24/101,644.72
  6. Step 6: Final answer
    x = 80,901.72

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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.