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Finding the Fourth Proportional to 95,160.75, 142,753.38 and 31,953.70

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Solution

The fourth proportional to 95,160.75, 142,753.38 and 31,953.70 is: 47,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,160.75 : 142,753.38 = 31,953.70 : x
  2. Step 2: Convert to fraction form
    95,160.75/142,753.38 = 31,953.70/x
  3. Step 3: Cross multiply
    95,160.75x = 142,753.38 × 31,953.70
  4. Step 4: Simplify right side
    95,160.75x = 4,561,498,678.51
  5. Step 5: Solve for x
    x = 4,561,498,678.51/95,160.75
  6. Step 6: Final answer
    x = 47,934.67

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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.