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Finding the Fourth Proportional to 367,109.96, 550,691.46 and 153,663.21

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Solution

The fourth proportional to 367,109.96, 550,691.46 and 153,663.21 is: 230,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,109.96 : 550,691.46 = 153,663.21 : x
  2. Step 2: Convert to fraction form
    367,109.96/550,691.46 = 153,663.21/x
  3. Step 3: Cross multiply
    367,109.96x = 550,691.46 × 153,663.21
  4. Step 4: Simplify right side
    367,109.96x = 84,621,017,463.19
  5. Step 5: Solve for x
    x = 84,621,017,463.19/367,109.96
  6. Step 6: Final answer
    x = 230,505.92

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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.