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Finding the Fourth Proportional to 123,339.11, 185,014.71 and 40,233.11

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Solution

The fourth proportional to 123,339.11, 185,014.71 and 40,233.11 is: 60,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,339.11 : 185,014.71 = 40,233.11 : x
  2. Step 2: Convert to fraction form
    123,339.11/185,014.71 = 40,233.11/x
  3. Step 3: Cross multiply
    123,339.11x = 185,014.71 × 40,233.11
  4. Step 4: Simplify right side
    123,339.11x = 7,443,716,253.97
  5. Step 5: Solve for x
    x = 7,443,716,253.97/123,339.11
  6. Step 6: Final answer
    x = 60,351.63

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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.