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Finding the Fourth Proportional to 119,806.68, 179,710.02 and 36,689.88

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Solution

The fourth proportional to 119,806.68, 179,710.02 and 36,689.88 is: 55,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,806.68 : 179,710.02 = 36,689.88 : x
  2. Step 2: Convert to fraction form
    119,806.68/179,710.02 = 36,689.88/x
  3. Step 3: Cross multiply
    119,806.68x = 179,710.02 × 36,689.88
  4. Step 4: Simplify right side
    119,806.68x = 6,593,539,068.60
  5. Step 5: Solve for x
    x = 6,593,539,068.60/119,806.68
  6. Step 6: Final answer
    x = 55,034.82

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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.