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Finding the Fourth Proportional to 124,396.57, 186,624.15 and 49,520.98

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Solution

The fourth proportional to 124,396.57, 186,624.15 and 49,520.98 is: 74,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,396.57 : 186,624.15 = 49,520.98 : x
  2. Step 2: Convert to fraction form
    124,396.57/186,624.15 = 49,520.98/x
  3. Step 3: Cross multiply
    124,396.57x = 186,624.15 × 49,520.98
  4. Step 4: Simplify right side
    124,396.57x = 9,241,810,799.67
  5. Step 5: Solve for x
    x = 9,241,810,799.67/124,396.57
  6. Step 6: Final answer
    x = 74,293.13

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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.