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Finding the Fourth Proportional to 181,568.75, 250,564.88 and 102,080.75

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Solution

The fourth proportional to 181,568.75, 250,564.88 and 102,080.75 is: 140,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,568.75 : 250,564.88 = 102,080.75 : x
  2. Step 2: Convert to fraction form
    181,568.75/250,564.88 = 102,080.75/x
  3. Step 3: Cross multiply
    181,568.75x = 250,564.88 × 102,080.75
  4. Step 4: Simplify right side
    181,568.75x = 25,577,850,874.06
  5. Step 5: Solve for x
    x = 25,577,850,874.06/181,568.75
  6. Step 6: Final answer
    x = 140,871.44

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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.