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Finding the Fourth Proportional to 220,383.92, 330,549.88 and 60,476.02

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Solution

The fourth proportional to 220,383.92, 330,549.88 and 60,476.02 is: 90,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,383.92 : 330,549.88 = 60,476.02 : x
  2. Step 2: Convert to fraction form
    220,383.92/330,549.88 = 60,476.02/x
  3. Step 3: Cross multiply
    220,383.92x = 330,549.88 × 60,476.02
  4. Step 4: Simplify right side
    220,383.92x = 19,990,341,153.88
  5. Step 5: Solve for x
    x = 19,990,341,153.88/220,383.92
  6. Step 6: Final answer
    x = 90,706.90

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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.