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Finding the Fourth Proportional to 85,366.80, 128,052.48 and 23,037.12

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Solution

The fourth proportional to 85,366.80, 128,052.48 and 23,037.12 is: 34,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,366.80 : 128,052.48 = 23,037.12 : x
  2. Step 2: Convert to fraction form
    85,366.80/128,052.48 = 23,037.12/x
  3. Step 3: Cross multiply
    85,366.80x = 128,052.48 × 23,037.12
  4. Step 4: Simplify right side
    85,366.80x = 2,949,960,348.06
  5. Step 5: Solve for x
    x = 2,949,960,348.06/85,366.80
  6. Step 6: Final answer
    x = 34,556.30

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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.