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Finding the Fourth Proportional to 98,356.39, 147,247.53 and 73,167.63

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Solution

The fourth proportional to 98,356.39, 147,247.53 and 73,167.63 is: 109,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,356.39 : 147,247.53 = 73,167.63 : x
  2. Step 2: Convert to fraction form
    98,356.39/147,247.53 = 73,167.63/x
  3. Step 3: Cross multiply
    98,356.39x = 147,247.53 × 73,167.63
  4. Step 4: Simplify right side
    98,356.39x = 10,773,752,793.45
  5. Step 5: Solve for x
    x = 10,773,752,793.45/98,356.39
  6. Step 6: Final answer
    x = 109,537.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.