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Finding the Fourth Proportional to 228,058.38, 342,169.05 and 101,687.30

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Solution

The fourth proportional to 228,058.38, 342,169.05 and 101,687.30 is: 152,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,058.38 : 342,169.05 = 101,687.30 : x
  2. Step 2: Convert to fraction form
    228,058.38/342,169.05 = 101,687.30/x
  3. Step 3: Cross multiply
    228,058.38x = 342,169.05 × 101,687.30
  4. Step 4: Simplify right side
    228,058.38x = 34,794,245,127.22
  5. Step 5: Solve for x
    x = 34,794,245,127.22/228,058.38
  6. Step 6: Final answer
    x = 152,567.27

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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.