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Finding the Fourth Proportional to 178,585.67, 246,451.13 and 98,020.68

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Solution

The fourth proportional to 178,585.67, 246,451.13 and 98,020.68 is: 135,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,585.67 : 246,451.13 = 98,020.68 : x
  2. Step 2: Convert to fraction form
    178,585.67/246,451.13 = 98,020.68/x
  3. Step 3: Cross multiply
    178,585.67x = 246,451.13 × 98,020.68
  4. Step 4: Simplify right side
    178,585.67x = 24,157,306,859.27
  5. Step 5: Solve for x
    x = 24,157,306,859.27/178,585.67
  6. Step 6: Final answer
    x = 135,270.13

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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.