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Finding the Fourth Proportional to 73,335.36, 109,985.42 and 33,854.55

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Solution

The fourth proportional to 73,335.36, 109,985.42 and 33,854.55 is: 50,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,335.36 : 109,985.42 = 33,854.55 : x
  2. Step 2: Convert to fraction form
    73,335.36/109,985.42 = 33,854.55/x
  3. Step 3: Cross multiply
    73,335.36x = 109,985.42 × 33,854.55
  4. Step 4: Simplify right side
    73,335.36x = 3,723,506,731.39
  5. Step 5: Solve for x
    x = 3,723,506,731.39/73,335.36
  6. Step 6: Final answer
    x = 50,773.69

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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.