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Finding the Fourth Proportional to 367,970.28, 552,169.59 and 154,722.76

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Solution

The fourth proportional to 367,970.28, 552,169.59 and 154,722.76 is: 232,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,970.28 : 552,169.59 = 154,722.76 : x
  2. Step 2: Convert to fraction form
    367,970.28/552,169.59 = 154,722.76/x
  3. Step 3: Cross multiply
    367,970.28x = 552,169.59 × 154,722.76
  4. Step 4: Simplify right side
    367,970.28x = 85,433,202,952.87
  5. Step 5: Solve for x
    x = 85,433,202,952.87/367,970.28
  6. Step 6: Final answer
    x = 232,174.19

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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.