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Finding the Fourth Proportional to 175,442.80, 263,423.40 and 136,044.40

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Solution

The fourth proportional to 175,442.80, 263,423.40 and 136,044.40 is: 204,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,442.80 : 263,423.40 = 136,044.40 : x
  2. Step 2: Convert to fraction form
    175,442.80/263,423.40 = 136,044.40/x
  3. Step 3: Cross multiply
    175,442.80x = 263,423.40 × 136,044.40
  4. Step 4: Simplify right side
    175,442.80x = 35,837,278,398.96
  5. Step 5: Solve for x
    x = 35,837,278,398.96/175,442.80
  6. Step 6: Final answer
    x = 204,267.59

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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.