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Finding the Fourth Proportional to 73,159.55, 109,761.46 and 51,853.48

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Solution

The fourth proportional to 73,159.55, 109,761.46 and 51,853.48 is: 77,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,159.55 : 109,761.46 = 51,853.48 : x
  2. Step 2: Convert to fraction form
    73,159.55/109,761.46 = 51,853.48/x
  3. Step 3: Cross multiply
    73,159.55x = 109,761.46 × 51,853.48
  4. Step 4: Simplify right side
    73,159.55x = 5,691,513,670.88
  5. Step 5: Solve for x
    x = 5,691,513,670.88/73,159.55
  6. Step 6: Final answer
    x = 77,795.91

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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.