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Finding the Fourth Proportional to 342,058.44, 513,104.94 and 105,562.92

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Solution

The fourth proportional to 342,058.44, 513,104.94 and 105,562.92 is: 158,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,058.44 : 513,104.94 = 105,562.92 : x
  2. Step 2: Convert to fraction form
    342,058.44/513,104.94 = 105,562.92/x
  3. Step 3: Cross multiply
    342,058.44x = 513,104.94 × 105,562.92
  4. Step 4: Simplify right side
    342,058.44x = 54,164,855,732.82
  5. Step 5: Solve for x
    x = 54,164,855,732.82/342,058.44
  6. Step 6: Final answer
    x = 158,349.71

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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.