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Finding the Fourth Proportional to 125,943.12, 173,801.52 and 69,354.54

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Solution

The fourth proportional to 125,943.12, 173,801.52 and 69,354.54 is: 95,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,943.12 : 173,801.52 = 69,354.54 : x
  2. Step 2: Convert to fraction form
    125,943.12/173,801.52 = 69,354.54/x
  3. Step 3: Cross multiply
    125,943.12x = 173,801.52 × 69,354.54
  4. Step 4: Simplify right side
    125,943.12x = 12,053,924,470.90
  5. Step 5: Solve for x
    x = 12,053,924,470.90/125,943.12
  6. Step 6: Final answer
    x = 95,709.27

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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.