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Finding the Fourth Proportional to 61,859.88, 92,707.20 and 32,215.56

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Solution

The fourth proportional to 61,859.88, 92,707.20 and 32,215.56 is: 48,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,859.88 : 92,707.20 = 32,215.56 : x
  2. Step 2: Convert to fraction form
    61,859.88/92,707.20 = 32,215.56/x
  3. Step 3: Cross multiply
    61,859.88x = 92,707.20 × 32,215.56
  4. Step 4: Simplify right side
    61,859.88x = 2,986,614,364.03
  5. Step 5: Solve for x
    x = 2,986,614,364.03/61,859.88
  6. Step 6: Final answer
    x = 48,280.31

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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.