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Finding the Fourth Proportional to 95,658.16, 132,008.16 and 53,215.78

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Solution

The fourth proportional to 95,658.16, 132,008.16 and 53,215.78 is: 73,437.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,658.16 : 132,008.16 = 53,215.78 : x
  2. Step 2: Convert to fraction form
    95,658.16/132,008.16 = 53,215.78/x
  3. Step 3: Cross multiply
    95,658.16x = 132,008.16 × 53,215.78
  4. Step 4: Simplify right side
    95,658.16x = 7,024,917,200.76
  5. Step 5: Solve for x
    x = 7,024,917,200.76/95,658.16
  6. Step 6: Final answer
    x = 73,437.72

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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.