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Finding the Fourth Proportional to 124,515.76, 186,775.26 and 41,409.76

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Solution

The fourth proportional to 124,515.76, 186,775.26 and 41,409.76 is: 62,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,515.76 : 186,775.26 = 41,409.76 : x
  2. Step 2: Convert to fraction form
    124,515.76/186,775.26 = 41,409.76/x
  3. Step 3: Cross multiply
    124,515.76x = 186,775.26 × 41,409.76
  4. Step 4: Simplify right side
    124,515.76x = 7,734,318,690.54
  5. Step 5: Solve for x
    x = 7,734,318,690.54/124,515.76
  6. Step 6: Final answer
    x = 62,115.18

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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.