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Finding the Fourth Proportional to 95,179.72, 142,770.56 and 39,005.40

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Solution

The fourth proportional to 95,179.72, 142,770.56 and 39,005.40 is: 58,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,179.72 : 142,770.56 = 39,005.40 : x
  2. Step 2: Convert to fraction form
    95,179.72/142,770.56 = 39,005.40/x
  3. Step 3: Cross multiply
    95,179.72x = 142,770.56 × 39,005.40
  4. Step 4: Simplify right side
    95,179.72x = 5,568,822,801.02
  5. Step 5: Solve for x
    x = 5,568,822,801.02/95,179.72
  6. Step 6: Final answer
    x = 58,508.50

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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.