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Finding the Fourth Proportional to 125,801.76, 173,606.42 and 69,211.92

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Solution

The fourth proportional to 125,801.76, 173,606.42 and 69,211.92 is: 95,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,801.76 : 173,606.42 = 69,211.92 : x
  2. Step 2: Convert to fraction form
    125,801.76/173,606.42 = 69,211.92/x
  3. Step 3: Cross multiply
    125,801.76x = 173,606.42 × 69,211.92
  4. Step 4: Simplify right side
    125,801.76x = 12,015,633,652.53
  5. Step 5: Solve for x
    x = 12,015,633,652.53/125,801.76
  6. Step 6: Final answer
    x = 95,512.44

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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.