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Finding the Fourth Proportional to 92,374.65, 138,561.99 and 22,253.94

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Solution

The fourth proportional to 92,374.65, 138,561.99 and 22,253.94 is: 33,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,374.65 : 138,561.99 = 22,253.94 : x
  2. Step 2: Convert to fraction form
    92,374.65/138,561.99 = 22,253.94/x
  3. Step 3: Cross multiply
    92,374.65x = 138,561.99 × 22,253.94
  4. Step 4: Simplify right side
    92,374.65x = 3,083,550,211.74
  5. Step 5: Solve for x
    x = 3,083,550,211.74/92,374.65
  6. Step 6: Final answer
    x = 33,380.91

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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.