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Finding the Fourth Proportional to 124,081.68, 186,120.12 and 35,335.76

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Solution

The fourth proportional to 124,081.68, 186,120.12 and 35,335.76 is: 53,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,081.68 : 186,120.12 = 35,335.76 : x
  2. Step 2: Convert to fraction form
    124,081.68/186,120.12 = 35,335.76/x
  3. Step 3: Cross multiply
    124,081.68x = 186,120.12 × 35,335.76
  4. Step 4: Simplify right side
    124,081.68x = 6,576,695,891.49
  5. Step 5: Solve for x
    x = 6,576,695,891.49/124,081.68
  6. Step 6: Final answer
    x = 53,002.96

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1.5x scale

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.