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Finding the Fourth Proportional to 108,843.16, 150,206.24 and 61,100.16

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Solution

The fourth proportional to 108,843.16, 150,206.24 and 61,100.16 is: 84,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,843.16 : 150,206.24 = 61,100.16 : x
  2. Step 2: Convert to fraction form
    108,843.16/150,206.24 = 61,100.16/x
  3. Step 3: Cross multiply
    108,843.16x = 150,206.24 × 61,100.16
  4. Step 4: Simplify right side
    108,843.16x = 9,177,625,297.00
  5. Step 5: Solve for x
    x = 9,177,625,297.00/108,843.16
  6. Step 6: Final answer
    x = 84,319.72

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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.