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Finding the Fourth Proportional to 187,940,219.70, 281,910,329.55 and 187,940,219.70

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Solution

The fourth proportional to 187,940,219.70, 281,910,329.55 and 187,940,219.70 is: 281,910,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,940,219.70 : 281,910,329.55 = 187,940,219.70 : x
  2. Step 2: Convert to fraction form
    187,940,219.70/281,910,329.55 = 187,940,219.70/x
  3. Step 3: Cross multiply
    187,940,219.70x = 281,910,329.55 × 187,940,219.70
  4. Step 4: Simplify right side
    187,940,219.70x = 52,982,289,271,326,400
  5. Step 5: Solve for x
    x = 52,982,289,271,326,400/187,940,219.70
  6. Step 6: Final answer
    x = 281,910,329.55

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1.5x scale

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.