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Finding the Fourth Proportional to 124,027.80, 173,872.20 and 124,027.80

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Solution

The fourth proportional to 124,027.80, 173,872.20 and 124,027.80 is: 173,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,027.80 : 173,872.20 = 124,027.80 : x
  2. Step 2: Convert to fraction form
    124,027.80/173,872.20 = 124,027.80/x
  3. Step 3: Cross multiply
    124,027.80x = 173,872.20 × 124,027.80
  4. Step 4: Simplify right side
    124,027.80x = 21,564,986,447.16
  5. Step 5: Solve for x
    x = 21,564,986,447.16/124,027.80
  6. Step 6: Final answer
    x = 173,872.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.