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Finding the Fourth Proportional to 178,446.59, 246,256.66 and 97,874.78

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Solution

The fourth proportional to 178,446.59, 246,256.66 and 97,874.78 is: 135,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,446.59 : 246,256.66 = 97,874.78 : x
  2. Step 2: Convert to fraction form
    178,446.59/246,256.66 = 97,874.78/x
  3. Step 3: Cross multiply
    178,446.59x = 246,256.66 × 97,874.78
  4. Step 4: Simplify right side
    178,446.59x = 24,102,316,146.74
  5. Step 5: Solve for x
    x = 24,102,316,146.74/178,446.59
  6. Step 6: Final answer
    x = 135,067.39

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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.