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Finding the Fourth Proportional to 125,474.68, 173,156.30 and 68,114.45

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Solution

The fourth proportional to 125,474.68, 173,156.30 and 68,114.45 is: 93,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,474.68 : 173,156.30 = 68,114.45 : x
  2. Step 2: Convert to fraction form
    125,474.68/173,156.30 = 68,114.45/x
  3. Step 3: Cross multiply
    125,474.68x = 173,156.30 × 68,114.45
  4. Step 4: Simplify right side
    125,474.68x = 11,794,445,443.04
  5. Step 5: Solve for x
    x = 11,794,445,443.04/125,474.68
  6. Step 6: Final answer
    x = 93,998.61

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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.