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Finding the Fourth Proportional to 207,081.96, 285,704.36 and 168,775.64

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Solution

The fourth proportional to 207,081.96, 285,704.36 and 168,775.64 is: 232,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,081.96 : 285,704.36 = 168,775.64 : x
  2. Step 2: Convert to fraction form
    207,081.96/285,704.36 = 168,775.64/x
  3. Step 3: Cross multiply
    207,081.96x = 285,704.36 × 168,775.64
  4. Step 4: Simplify right side
    207,081.96x = 48,219,936,209.79
  5. Step 5: Solve for x
    x = 48,219,936,209.79/207,081.96
  6. Step 6: Final answer
    x = 232,854.35

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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.