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Finding the Fourth Proportional to 121,959.86, 182,806.33 and 62,799.08

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Solution

The fourth proportional to 121,959.86, 182,806.33 and 62,799.08 is: 94,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,959.86 : 182,806.33 = 62,799.08 : x
  2. Step 2: Convert to fraction form
    121,959.86/182,806.33 = 62,799.08/x
  3. Step 3: Cross multiply
    121,959.86x = 182,806.33 × 62,799.08
  4. Step 4: Simplify right side
    121,959.86x = 11,480,068,271.15
  5. Step 5: Solve for x
    x = 11,480,068,271.15/121,959.86
  6. Step 6: Final answer
    x = 94,129.89

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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.