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Finding the Fourth Proportional to 555,440.96, 833,142.24 and 156,084.80

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Solution

The fourth proportional to 555,440.96, 833,142.24 and 156,084.80 is: 234,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,440.96 : 833,142.24 = 156,084.80 : x
  2. Step 2: Convert to fraction form
    555,440.96/833,142.24 = 156,084.80/x
  3. Step 3: Cross multiply
    555,440.96x = 833,142.24 × 156,084.80
  4. Step 4: Simplify right side
    555,440.96x = 130,040,839,901.95
  5. Step 5: Solve for x
    x = 130,040,839,901.95/555,440.96
  6. Step 6: Final answer
    x = 234,121.80

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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.