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Finding the Fourth Proportional to 178,372.73, 246,013.47 and 157,976.19

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Solution

The fourth proportional to 178,372.73, 246,013.47 and 157,976.19 is: 217,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,372.73 : 246,013.47 = 157,976.19 : x
  2. Step 2: Convert to fraction form
    178,372.73/246,013.47 = 157,976.19/x
  3. Step 3: Cross multiply
    178,372.73x = 246,013.47 × 157,976.19
  4. Step 4: Simplify right side
    178,372.73x = 38,864,270,679.28
  5. Step 5: Solve for x
    x = 38,864,270,679.28/178,372.73
  6. Step 6: Final answer
    x = 217,882.35

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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.