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Finding the Fourth Proportional to 234,191.20, 351,287.70 and 56,697.94

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Solution

The fourth proportional to 234,191.20, 351,287.70 and 56,697.94 is: 85,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,191.20 : 351,287.70 = 56,697.94 : x
  2. Step 2: Convert to fraction form
    234,191.20/351,287.70 = 56,697.94/x
  3. Step 3: Cross multiply
    234,191.20x = 351,287.70 × 56,697.94
  4. Step 4: Simplify right side
    234,191.20x = 19,917,288,937.34
  5. Step 5: Solve for x
    x = 19,917,288,937.34/234,191.20
  6. Step 6: Final answer
    x = 85,047.13

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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.