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Finding the Fourth Proportional to 92,547.65, 138,826.34 and 29,372.61

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Solution

The fourth proportional to 92,547.65, 138,826.34 and 29,372.61 is: 44,060.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,547.65 : 138,826.34 = 29,372.61 : x
  2. Step 2: Convert to fraction form
    92,547.65/138,826.34 = 29,372.61/x
  3. Step 3: Cross multiply
    92,547.65x = 138,826.34 × 29,372.61
  4. Step 4: Simplify right side
    92,547.65x = 4,077,691,795.68
  5. Step 5: Solve for x
    x = 4,077,691,795.68/92,547.65
  6. Step 6: Final answer
    x = 44,060.46

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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.