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Finding the Fourth Proportional to 95,288.50, 142,932.75 and 39,884.50

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Solution

The fourth proportional to 95,288.50, 142,932.75 and 39,884.50 is: 59,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,288.50 : 142,932.75 = 39,884.50 : x
  2. Step 2: Convert to fraction form
    95,288.50/142,932.75 = 39,884.50/x
  3. Step 3: Cross multiply
    95,288.50x = 142,932.75 × 39,884.50
  4. Step 4: Simplify right side
    95,288.50x = 5,700,801,267.38
  5. Step 5: Solve for x
    x = 5,700,801,267.38/95,288.50
  6. Step 6: Final answer
    x = 59,826.75

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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.