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Finding the Fourth Proportional to 124,082.68, 186,121.62 and 35,336.76

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Solution

The fourth proportional to 124,082.68, 186,121.62 and 35,336.76 is: 53,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,082.68 : 186,121.62 = 35,336.76 : x
  2. Step 2: Convert to fraction form
    124,082.68/186,121.62 = 35,336.76/x
  3. Step 3: Cross multiply
    124,082.68x = 186,121.62 × 35,336.76
  4. Step 4: Simplify right side
    124,082.68x = 6,576,935,016.75
  5. Step 5: Solve for x
    x = 6,576,935,016.75/124,082.68
  6. Step 6: Final answer
    x = 53,004.46

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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.