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Finding the Fourth Proportional to 124,449.87, 186,599.75 and 49,581.57

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Solution

The fourth proportional to 124,449.87, 186,599.75 and 49,581.57 is: 74,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,449.87 : 186,599.75 = 49,581.57 : x
  2. Step 2: Convert to fraction form
    124,449.87/186,599.75 = 49,581.57/x
  3. Step 3: Cross multiply
    124,449.87x = 186,599.75 × 49,581.57
  4. Step 4: Simplify right side
    124,449.87x = 9,251,908,318.70
  5. Step 5: Solve for x
    x = 9,251,908,318.70/124,449.87
  6. Step 6: Final answer
    x = 74,342.45

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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.