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Finding the Fourth Proportional to 96,069.52, 143,911.08 and 47,892.76

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Solution

The fourth proportional to 96,069.52, 143,911.08 and 47,892.76 is: 71,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,069.52 : 143,911.08 = 47,892.76 : x
  2. Step 2: Convert to fraction form
    96,069.52/143,911.08 = 47,892.76/x
  3. Step 3: Cross multiply
    96,069.52x = 143,911.08 × 47,892.76
  4. Step 4: Simplify right side
    96,069.52x = 6,892,298,815.78
  5. Step 5: Solve for x
    x = 6,892,298,815.78/96,069.52
  6. Step 6: Final answer
    x = 71,742.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.