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Finding the Fourth Proportional to 221,373.39, 332,070.47 and 71,625.41

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Solution

The fourth proportional to 221,373.39, 332,070.47 and 71,625.41 is: 107,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,373.39 : 332,070.47 = 71,625.41 : x
  2. Step 2: Convert to fraction form
    221,373.39/332,070.47 = 71,625.41/x
  3. Step 3: Cross multiply
    221,373.39x = 332,070.47 × 71,625.41
  4. Step 4: Simplify right side
    221,373.39x = 23,784,683,058.02
  5. Step 5: Solve for x
    x = 23,784,683,058.02/221,373.39
  6. Step 6: Final answer
    x = 107,441.47

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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.