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Finding the Fourth Proportional to 98,325.30, 147,524.40 and 39,203.40

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Solution

The fourth proportional to 98,325.30, 147,524.40 and 39,203.40 is: 58,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,325.30 : 147,524.40 = 39,203.40 : x
  2. Step 2: Convert to fraction form
    98,325.30/147,524.40 = 39,203.40/x
  3. Step 3: Cross multiply
    98,325.30x = 147,524.40 × 39,203.40
  4. Step 4: Simplify right side
    98,325.30x = 5,783,458,062.96
  5. Step 5: Solve for x
    x = 5,783,458,062.96/98,325.30
  6. Step 6: Final answer
    x = 58,819.63

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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.