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Finding the Fourth Proportional to 99,508.96, 149,315.28 and 44,092

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Solution

The fourth proportional to 99,508.96, 149,315.28 and 44,092 is: 66,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,508.96 : 149,315.28 = 44,092 : x
  2. Step 2: Convert to fraction form
    99,508.96/149,315.28 = 44,092/x
  3. Step 3: Cross multiply
    99,508.96x = 149,315.28 × 44,092
  4. Step 4: Simplify right side
    99,508.96x = 6,583,609,325.76
  5. Step 5: Solve for x
    x = 6,583,609,325.76/99,508.96
  6. Step 6: Final answer
    x = 66,160.97

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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.