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Finding the Fourth Proportional to 71,159.04, 98,198.04 and 39,327.24

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Solution

The fourth proportional to 71,159.04, 98,198.04 and 39,327.24 is: 54,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,159.04 : 98,198.04 = 39,327.24 : x
  2. Step 2: Convert to fraction form
    71,159.04/98,198.04 = 39,327.24/x
  3. Step 3: Cross multiply
    71,159.04x = 98,198.04 × 39,327.24
  4. Step 4: Simplify right side
    71,159.04x = 3,861,857,886.61
  5. Step 5: Solve for x
    x = 3,861,857,886.61/71,159.04
  6. Step 6: Final answer
    x = 54,270.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.