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Finding the Fourth Proportional to 225,518.46, 338,251.77 and 59,319.42

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Solution

The fourth proportional to 225,518.46, 338,251.77 and 59,319.42 is: 88,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,518.46 : 338,251.77 = 59,319.42 : x
  2. Step 2: Convert to fraction form
    225,518.46/338,251.77 = 59,319.42/x
  3. Step 3: Cross multiply
    225,518.46x = 338,251.77 × 59,319.42
  4. Step 4: Simplify right side
    225,518.46x = 20,064,898,810.37
  5. Step 5: Solve for x
    x = 20,064,898,810.37/225,518.46
  6. Step 6: Final answer
    x = 88,972.31

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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.