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Finding the Fourth Proportional to 86,197.30, 129,297.33 and 27,033.48

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Solution

The fourth proportional to 86,197.30, 129,297.33 and 27,033.48 is: 40,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,197.30 : 129,297.33 = 27,033.48 : x
  2. Step 2: Convert to fraction form
    86,197.30/129,297.33 = 27,033.48/x
  3. Step 3: Cross multiply
    86,197.30x = 129,297.33 × 27,033.48
  4. Step 4: Simplify right side
    86,197.30x = 3,495,356,784.61
  5. Step 5: Solve for x
    x = 3,495,356,784.61/86,197.30
  6. Step 6: Final answer
    x = 40,550.65

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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.