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Finding the Fourth Proportional to 269,104.50, 403,713.72 and 79,549.92

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Solution

The fourth proportional to 269,104.50, 403,713.72 and 79,549.92 is: 119,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,104.50 : 403,713.72 = 79,549.92 : x
  2. Step 2: Convert to fraction form
    269,104.50/403,713.72 = 79,549.92/x
  3. Step 3: Cross multiply
    269,104.50x = 403,713.72 × 79,549.92
  4. Step 4: Simplify right side
    269,104.50x = 32,115,394,128.90
  5. Step 5: Solve for x
    x = 32,115,394,128.90/269,104.50
  6. Step 6: Final answer
    x = 119,341.72

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1.5x scale

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.