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Finding the Fourth Proportional to 124,589.56, 171,913.32 and 73,595.24

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Solution

The fourth proportional to 124,589.56, 171,913.32 and 73,595.24 is: 101,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,589.56 : 171,913.32 = 73,595.24 : x
  2. Step 2: Convert to fraction form
    124,589.56/171,913.32 = 73,595.24/x
  3. Step 3: Cross multiply
    124,589.56x = 171,913.32 × 73,595.24
  4. Step 4: Simplify right side
    124,589.56x = 12,652,002,044.60
  5. Step 5: Solve for x
    x = 12,652,002,044.60/124,589.56
  6. Step 6: Final answer
    x = 101,549.46

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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.