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Finding the Fourth Proportional to 92,505.59, 138,758.75 and 33,345.89

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Solution

The fourth proportional to 92,505.59, 138,758.75 and 33,345.89 is: 50,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,505.59 : 138,758.75 = 33,345.89 : x
  2. Step 2: Convert to fraction form
    92,505.59/138,758.75 = 33,345.89/x
  3. Step 3: Cross multiply
    92,505.59x = 138,758.75 × 33,345.89
  4. Step 4: Simplify right side
    92,505.59x = 4,627,034,014.04
  5. Step 5: Solve for x
    x = 4,627,034,014.04/92,505.59
  6. Step 6: Final answer
    x = 50,018.97

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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.