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Finding the Fourth Proportional to 145,654.52, 218,481.68 and 40,473.44

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Solution

The fourth proportional to 145,654.52, 218,481.68 and 40,473.44 is: 60,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,654.52 : 218,481.68 = 40,473.44 : x
  2. Step 2: Convert to fraction form
    145,654.52/218,481.68 = 40,473.44/x
  3. Step 3: Cross multiply
    145,654.52x = 218,481.68 × 40,473.44
  4. Step 4: Simplify right side
    145,654.52x = 8,842,705,166.58
  5. Step 5: Solve for x
    x = 8,842,705,166.58/145,654.52
  6. Step 6: Final answer
    x = 60,710.13

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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.