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Finding the Fourth Proportional to 92,562.89, 138,815.57 and 33,390.87

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Solution

The fourth proportional to 92,562.89, 138,815.57 and 33,390.87 is: 50,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,562.89 : 138,815.57 = 33,390.87 : x
  2. Step 2: Convert to fraction form
    92,562.89/138,815.57 = 33,390.87/x
  3. Step 3: Cross multiply
    92,562.89x = 138,815.57 × 33,390.87
  4. Step 4: Simplify right side
    92,562.89x = 4,635,172,214.76
  5. Step 5: Solve for x
    x = 4,635,172,214.76/92,562.89
  6. Step 6: Final answer
    x = 50,075.93

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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.