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Finding the Fourth Proportional to 150,541.98, 207,757.13 and 86,883.88

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Solution

The fourth proportional to 150,541.98, 207,757.13 and 86,883.88 is: 119,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,541.98 : 207,757.13 = 86,883.88 : x
  2. Step 2: Convert to fraction form
    150,541.98/207,757.13 = 86,883.88/x
  3. Step 3: Cross multiply
    150,541.98x = 207,757.13 × 86,883.88
  4. Step 4: Simplify right side
    150,541.98x = 18,050,745,769.27
  5. Step 5: Solve for x
    x = 18,050,745,769.27/150,541.98
  6. Step 6: Final answer
    x = 119,905.06

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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.