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Finding the Fourth Proportional to 104,654.79, 156,982.30 and 38,095.47

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Solution

The fourth proportional to 104,654.79, 156,982.30 and 38,095.47 is: 57,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,654.79 : 156,982.30 = 38,095.47 : x
  2. Step 2: Convert to fraction form
    104,654.79/156,982.30 = 38,095.47/x
  3. Step 3: Cross multiply
    104,654.79x = 156,982.30 × 38,095.47
  4. Step 4: Simplify right side
    104,654.79x = 5,980,314,404.94
  5. Step 5: Solve for x
    x = 5,980,314,404.94/104,654.79
  6. Step 6: Final answer
    x = 57,143.25

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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.