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Finding the Fourth Proportional to 124,134.30, 186,246.54 and 60,947.70

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Solution

The fourth proportional to 124,134.30, 186,246.54 and 60,947.70 is: 91,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,134.30 : 186,246.54 = 60,947.70 : x
  2. Step 2: Convert to fraction form
    124,134.30/186,246.54 = 60,947.70/x
  3. Step 3: Cross multiply
    124,134.30x = 186,246.54 × 60,947.70
  4. Step 4: Simplify right side
    124,134.30x = 11,351,298,245.96
  5. Step 5: Solve for x
    x = 11,351,298,245.96/124,134.30
  6. Step 6: Final answer
    x = 91,443.69

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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.