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Finding the Fourth Proportional to 98,654.52, 148,003.70 and 46,035.30

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Solution

The fourth proportional to 98,654.52, 148,003.70 and 46,035.30 is: 69,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,654.52 : 148,003.70 = 46,035.30 : x
  2. Step 2: Convert to fraction form
    98,654.52/148,003.70 = 46,035.30/x
  3. Step 3: Cross multiply
    98,654.52x = 148,003.70 × 46,035.30
  4. Step 4: Simplify right side
    98,654.52x = 6,813,394,500.43
  5. Step 5: Solve for x
    x = 6,813,394,500.43/98,654.52
  6. Step 6: Final answer
    x = 69,063.18

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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.