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Finding the Fourth Proportional to 351,281.48, 527,020.88 and 141,067.04

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Solution

The fourth proportional to 351,281.48, 527,020.88 and 141,067.04 is: 211,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,281.48 : 527,020.88 = 141,067.04 : x
  2. Step 2: Convert to fraction form
    351,281.48/527,020.88 = 141,067.04/x
  3. Step 3: Cross multiply
    351,281.48x = 527,020.88 × 141,067.04
  4. Step 4: Simplify right side
    351,281.48x = 74,345,275,559.80
  5. Step 5: Solve for x
    x = 74,345,275,559.80/351,281.48
  6. Step 6: Final answer
    x = 211,640.18

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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.