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Finding the Fourth Proportional to 179,251.80, 268,877.70 and 79,459.80

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Solution

The fourth proportional to 179,251.80, 268,877.70 and 79,459.80 is: 119,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,251.80 : 268,877.70 = 79,459.80 : x
  2. Step 2: Convert to fraction form
    179,251.80/268,877.70 = 79,459.80/x
  3. Step 3: Cross multiply
    179,251.80x = 268,877.70 × 79,459.80
  4. Step 4: Simplify right side
    179,251.80x = 21,364,968,266.46
  5. Step 5: Solve for x
    x = 21,364,968,266.46/179,251.80
  6. Step 6: Final answer
    x = 119,189.70

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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.