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Finding the Fourth Proportional to 98,354.96, 147,394.20 and 73,748.24

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Solution

The fourth proportional to 98,354.96, 147,394.20 and 73,748.24 is: 110,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,354.96 : 147,394.20 = 73,748.24 : x
  2. Step 2: Convert to fraction form
    98,354.96/147,394.20 = 73,748.24/x
  3. Step 3: Cross multiply
    98,354.96x = 147,394.20 × 73,748.24
  4. Step 4: Simplify right side
    98,354.96x = 10,870,062,836.21
  5. Step 5: Solve for x
    x = 10,870,062,836.21/98,354.96
  6. Step 6: Final answer
    x = 110,518.71

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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.