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Finding the Fourth Proportional to 178,418.25, 246,217.19 and 98,930.25

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Solution

The fourth proportional to 178,418.25, 246,217.19 and 98,930.25 is: 136,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,418.25 : 246,217.19 = 98,930.25 : x
  2. Step 2: Convert to fraction form
    178,418.25/246,217.19 = 98,930.25/x
  3. Step 3: Cross multiply
    178,418.25x = 246,217.19 × 98,930.25
  4. Step 4: Simplify right side
    178,418.25x = 24,358,327,666.35
  5. Step 5: Solve for x
    x = 24,358,327,666.35/178,418.25
  6. Step 6: Final answer
    x = 136,523.75

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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.