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Finding the Fourth Proportional to 347,105.38, 520,669.52 and 119,398.71

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Solution

The fourth proportional to 347,105.38, 520,669.52 and 119,398.71 is: 179,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,105.38 : 520,669.52 = 119,398.71 : x
  2. Step 2: Convert to fraction form
    347,105.38/520,669.52 = 119,398.71/x
  3. Step 3: Cross multiply
    347,105.38x = 520,669.52 × 119,398.71
  4. Step 4: Simplify right side
    347,105.38x = 62,167,269,024.32
  5. Step 5: Solve for x
    x = 62,167,269,024.32/347,105.38
  6. Step 6: Final answer
    x = 179,102.00

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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.