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Finding the Fourth Proportional to 178,938.28, 246,934.74 and 98,371

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Solution

The fourth proportional to 178,938.28, 246,934.74 and 98,371 is: 135,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,938.28 : 246,934.74 = 98,371 : x
  2. Step 2: Convert to fraction form
    178,938.28/246,934.74 = 98,371/x
  3. Step 3: Cross multiply
    178,938.28x = 246,934.74 × 98,371
  4. Step 4: Simplify right side
    178,938.28x = 24,291,217,308.54
  5. Step 5: Solve for x
    x = 24,291,217,308.54/178,938.28
  6. Step 6: Final answer
    x = 135,751.93

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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.