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Finding the Fourth Proportional to 207,344.56, 285,873.92 and 135,610.96

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Solution

The fourth proportional to 207,344.56, 285,873.92 and 135,610.96 is: 186,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,344.56 : 285,873.92 = 135,610.96 : x
  2. Step 2: Convert to fraction form
    207,344.56/285,873.92 = 135,610.96/x
  3. Step 3: Cross multiply
    207,344.56x = 285,873.92 × 135,610.96
  4. Step 4: Simplify right side
    207,344.56x = 38,767,636,730.16
  5. Step 5: Solve for x
    x = 38,767,636,730.16/207,344.56
  6. Step 6: Final answer
    x = 186,972.05

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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.