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Finding the Fourth Proportional to 210,601.83, 315,856.26 and 60,809.52

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Solution

The fourth proportional to 210,601.83, 315,856.26 and 60,809.52 is: 91,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,601.83 : 315,856.26 = 60,809.52 : x
  2. Step 2: Convert to fraction form
    210,601.83/315,856.26 = 60,809.52/x
  3. Step 3: Cross multiply
    210,601.83x = 315,856.26 × 60,809.52
  4. Step 4: Simplify right side
    210,601.83x = 19,207,067,559.60
  5. Step 5: Solve for x
    x = 19,207,067,559.60/210,601.83
  6. Step 6: Final answer
    x = 91,200.86

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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.