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Finding the Fourth Proportional to 125,912.88, 173,759.16 and 69,324.24

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Solution

The fourth proportional to 125,912.88, 173,759.16 and 69,324.24 is: 95,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,912.88 : 173,759.16 = 69,324.24 : x
  2. Step 2: Convert to fraction form
    125,912.88/173,759.16 = 69,324.24/x
  3. Step 3: Cross multiply
    125,912.88x = 173,759.16 × 69,324.24
  4. Step 4: Simplify right side
    125,912.88x = 12,045,721,710.04
  5. Step 5: Solve for x
    x = 12,045,721,710.04/125,912.88
  6. Step 6: Final answer
    x = 95,667.11

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1.5x scale

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.