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Finding the Fourth Proportional to 119,690.76, 179,588.88 and 63,517.20

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Solution

The fourth proportional to 119,690.76, 179,588.88 and 63,517.20 is: 95,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,690.76 : 179,588.88 = 63,517.20 : x
  2. Step 2: Convert to fraction form
    119,690.76/179,588.88 = 63,517.20/x
  3. Step 3: Cross multiply
    119,690.76x = 179,588.88 × 63,517.20
  4. Step 4: Simplify right side
    119,690.76x = 11,406,982,808.74
  5. Step 5: Solve for x
    x = 11,406,982,808.74/119,690.76
  6. Step 6: Final answer
    x = 95,303.79

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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.