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Finding the Fourth Proportional to 124,516.76, 186,776.76 and 41,410.76

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Solution

The fourth proportional to 124,516.76, 186,776.76 and 41,410.76 is: 62,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,516.76 : 186,776.76 = 41,410.76 : x
  2. Step 2: Convert to fraction form
    124,516.76/186,776.76 = 41,410.76/x
  3. Step 3: Cross multiply
    124,516.76x = 186,776.76 × 41,410.76
  4. Step 4: Simplify right side
    124,516.76x = 7,734,567,581.94
  5. Step 5: Solve for x
    x = 7,734,567,581.94/124,516.76
  6. Step 6: Final answer
    x = 62,116.68

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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.