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Finding the Fourth Proportional to 115,045.59, 158,773.64 and 67,295.91

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Solution

The fourth proportional to 115,045.59, 158,773.64 and 67,295.91 is: 92,874.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,045.59 : 158,773.64 = 67,295.91 : x
  2. Step 2: Convert to fraction form
    115,045.59/158,773.64 = 67,295.91/x
  3. Step 3: Cross multiply
    115,045.59x = 158,773.64 × 67,295.91
  4. Step 4: Simplify right side
    115,045.59x = 10,684,816,251.33
  5. Step 5: Solve for x
    x = 10,684,816,251.33/115,045.59
  6. Step 6: Final answer
    x = 92,874.63

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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.