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Finding the Fourth Proportional to 73,158.55, 109,759.96 and 51,852.48

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Solution

The fourth proportional to 73,158.55, 109,759.96 and 51,852.48 is: 77,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,158.55 : 109,759.96 = 51,852.48 : x
  2. Step 2: Convert to fraction form
    73,158.55/109,759.96 = 51,852.48/x
  3. Step 3: Cross multiply
    73,158.55x = 109,759.96 × 51,852.48
  4. Step 4: Simplify right side
    73,158.55x = 5,691,326,130.70
  5. Step 5: Solve for x
    x = 5,691,326,130.70/73,158.55
  6. Step 6: Final answer
    x = 77,794.41

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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.