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Finding the Fourth Proportional to 220,314.42, 330,470.95 and 62,542.98

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Solution

The fourth proportional to 220,314.42, 330,470.95 and 62,542.98 is: 93,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,314.42 : 330,470.95 = 62,542.98 : x
  2. Step 2: Convert to fraction form
    220,314.42/330,470.95 = 62,542.98/x
  3. Step 3: Cross multiply
    220,314.42x = 330,470.95 × 62,542.98
  4. Step 4: Simplify right side
    220,314.42x = 20,668,638,016.43
  5. Step 5: Solve for x
    x = 20,668,638,016.43/220,314.42
  6. Step 6: Final answer
    x = 93,814.28

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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.