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Finding the Fourth Proportional to 151,058.80, 226,393.80 and 72,002.80

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Solution

The fourth proportional to 151,058.80, 226,393.80 and 72,002.80 is: 107,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,058.80 : 226,393.80 = 72,002.80 : x
  2. Step 2: Convert to fraction form
    151,058.80/226,393.80 = 72,002.80/x
  3. Step 3: Cross multiply
    151,058.80x = 226,393.80 × 72,002.80
  4. Step 4: Simplify right side
    151,058.80x = 16,300,987,502.64
  5. Step 5: Solve for x
    x = 16,300,987,502.64/151,058.80
  6. Step 6: Final answer
    x = 107,911.54

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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.