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Finding the Fourth Proportional to 79,952.32, 119,737.28 and 46,115.76

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Solution

The fourth proportional to 79,952.32, 119,737.28 and 46,115.76 is: 69,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,952.32 : 119,737.28 = 46,115.76 : x
  2. Step 2: Convert to fraction form
    79,952.32/119,737.28 = 46,115.76/x
  3. Step 3: Cross multiply
    79,952.32x = 119,737.28 × 46,115.76
  4. Step 4: Simplify right side
    79,952.32x = 5,521,775,667.53
  5. Step 5: Solve for x
    x = 5,521,775,667.53/79,952.32
  6. Step 6: Final answer
    x = 69,063.36

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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.