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Finding the Fourth Proportional to 95,156, 131,315.28 and 57,430.24

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Solution

The fourth proportional to 95,156, 131,315.28 and 57,430.24 is: 79,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,156 : 131,315.28 = 57,430.24 : x
  2. Step 2: Convert to fraction form
    95,156/131,315.28 = 57,430.24/x
  3. Step 3: Cross multiply
    95,156x = 131,315.28 × 57,430.24
  4. Step 4: Simplify right side
    95,156x = 7,541,468,046.07
  5. Step 5: Solve for x
    x = 7,541,468,046.07/95,156
  6. Step 6: Final answer
    x = 79,253.73

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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.