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Finding the Fourth Proportional to 119,818.13, 179,625.67 and 80,254.13

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Solution

The fourth proportional to 119,818.13, 179,625.67 and 80,254.13 is: 120,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,818.13 : 179,625.67 = 80,254.13 : x
  2. Step 2: Convert to fraction form
    119,818.13/179,625.67 = 80,254.13/x
  3. Step 3: Cross multiply
    119,818.13x = 179,625.67 × 80,254.13
  4. Step 4: Simplify right side
    119,818.13x = 14,415,700,772.75
  5. Step 5: Solve for x
    x = 14,415,700,772.75/119,818.13
  6. Step 6: Final answer
    x = 120,313.19

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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.