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Finding the Fourth Proportional to 121,339.38, 182,018.27 and 41,352.48

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Solution

The fourth proportional to 121,339.38, 182,018.27 and 41,352.48 is: 62,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,339.38 : 182,018.27 = 41,352.48 : x
  2. Step 2: Convert to fraction form
    121,339.38/182,018.27 = 41,352.48/x
  3. Step 3: Cross multiply
    121,339.38x = 182,018.27 × 41,352.48
  4. Step 4: Simplify right side
    121,339.38x = 7,526,906,869.81
  5. Step 5: Solve for x
    x = 7,526,906,869.81/121,339.38
  6. Step 6: Final answer
    x = 62,031.86

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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.