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Finding the Fourth Proportional to 124,452, 186,696.72 and 40,183.92

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Solution

The fourth proportional to 124,452, 186,696.72 and 40,183.92 is: 60,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,452 : 186,696.72 = 40,183.92 : x
  2. Step 2: Convert to fraction form
    124,452/186,696.72 = 40,183.92/x
  3. Step 3: Cross multiply
    124,452x = 186,696.72 × 40,183.92
  4. Step 4: Simplify right side
    124,452x = 7,502,206,060.74
  5. Step 5: Solve for x
    x = 7,502,206,060.74/124,452
  6. Step 6: Final answer
    x = 60,281.92

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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.