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Finding the Fourth Proportional to 523,165.85, 784,822.55 and 168,060.81

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Solution

The fourth proportional to 523,165.85, 784,822.55 and 168,060.81 is: 252,114.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,165.85 : 784,822.55 = 168,060.81 : x
  2. Step 2: Convert to fraction form
    523,165.85/784,822.55 = 168,060.81/x
  3. Step 3: Cross multiply
    523,165.85x = 784,822.55 × 168,060.81
  4. Step 4: Simplify right side
    523,165.85x = 131,897,912,618.96
  5. Step 5: Solve for x
    x = 131,897,912,618.96/523,165.85
  6. Step 6: Final answer
    x = 252,114.92

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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.