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Finding the Fourth Proportional to 125,996.52, 173,873.88 and 69,406.68

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Solution

The fourth proportional to 125,996.52, 173,873.88 and 69,406.68 is: 95,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,996.52 : 173,873.88 = 69,406.68 : x
  2. Step 2: Convert to fraction form
    125,996.52/173,873.88 = 69,406.68/x
  3. Step 3: Cross multiply
    125,996.52x = 173,873.88 × 69,406.68
  4. Step 4: Simplify right side
    125,996.52x = 12,068,008,749.52
  5. Step 5: Solve for x
    x = 12,068,008,749.52/125,996.52
  6. Step 6: Final answer
    x = 95,780.49

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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.