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Finding the Fourth Proportional to 207,235.18, 285,964.20 and 116,589.20

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Solution

The fourth proportional to 207,235.18, 285,964.20 and 116,589.20 is: 160,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,235.18 : 285,964.20 = 116,589.20 : x
  2. Step 2: Convert to fraction form
    207,235.18/285,964.20 = 116,589.20/x
  3. Step 3: Cross multiply
    207,235.18x = 285,964.20 × 116,589.20
  4. Step 4: Simplify right side
    207,235.18x = 33,340,337,306.64
  5. Step 5: Solve for x
    x = 33,340,337,306.64/207,235.18
  6. Step 6: Final answer
    x = 160,881.65

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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.