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Finding the Fourth Proportional to 124,418.62, 186,552.87 and 49,550.32

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Solution

The fourth proportional to 124,418.62, 186,552.87 and 49,550.32 is: 74,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,418.62 : 186,552.87 = 49,550.32 : x
  2. Step 2: Convert to fraction form
    124,418.62/186,552.87 = 49,550.32/x
  3. Step 3: Cross multiply
    124,418.62x = 186,552.87 × 49,550.32
  4. Step 4: Simplify right side
    124,418.62x = 9,243,754,405.42
  5. Step 5: Solve for x
    x = 9,243,754,405.42/124,418.62
  6. Step 6: Final answer
    x = 74,295.59

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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.