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Finding the Fourth Proportional to 73,557.20, 110,335.80 and 34,101.20

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Solution

The fourth proportional to 73,557.20, 110,335.80 and 34,101.20 is: 51,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,557.20 : 110,335.80 = 34,101.20 : x
  2. Step 2: Convert to fraction form
    73,557.20/110,335.80 = 34,101.20/x
  3. Step 3: Cross multiply
    73,557.20x = 110,335.80 × 34,101.20
  4. Step 4: Simplify right side
    73,557.20x = 3,762,583,182.96
  5. Step 5: Solve for x
    x = 3,762,583,182.96/73,557.20
  6. Step 6: Final answer
    x = 51,151.80

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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.