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Finding the Fourth Proportional to 124,354.56, 186,474 and 40,098.96

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Solution

The fourth proportional to 124,354.56, 186,474 and 40,098.96 is: 60,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,354.56 : 186,474 = 40,098.96 : x
  2. Step 2: Convert to fraction form
    124,354.56/186,474 = 40,098.96/x
  3. Step 3: Cross multiply
    124,354.56x = 186,474 × 40,098.96
  4. Step 4: Simplify right side
    124,354.56x = 7,477,413,467.04
  5. Step 5: Solve for x
    x = 7,477,413,467.04/124,354.56
  6. Step 6: Final answer
    x = 60,129.79

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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.