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Finding the Fourth Proportional to 114,791.04, 158,425.20 and 64,489.92

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Solution

The fourth proportional to 114,791.04, 158,425.20 and 64,489.92 is: 89,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,791.04 : 158,425.20 = 64,489.92 : x
  2. Step 2: Convert to fraction form
    114,791.04/158,425.20 = 64,489.92/x
  3. Step 3: Cross multiply
    114,791.04x = 158,425.20 × 64,489.92
  4. Step 4: Simplify right side
    114,791.04x = 10,216,828,473.98
  5. Step 5: Solve for x
    x = 10,216,828,473.98/114,791.04
  6. Step 6: Final answer
    x = 89,003.71

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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.