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Finding the Fourth Proportional to 179,411.70, 269,117.55 and 54,752.70

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Solution

The fourth proportional to 179,411.70, 269,117.55 and 54,752.70 is: 82,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,411.70 : 269,117.55 = 54,752.70 : x
  2. Step 2: Convert to fraction form
    179,411.70/269,117.55 = 54,752.70/x
  3. Step 3: Cross multiply
    179,411.70x = 269,117.55 × 54,752.70
  4. Step 4: Simplify right side
    179,411.70x = 14,734,912,479.89
  5. Step 5: Solve for x
    x = 14,734,912,479.89/179,411.70
  6. Step 6: Final answer
    x = 82,129.05

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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.