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Finding the Fourth Proportional to 152,616.70, 228,959.85 and 47,446.30

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Solution

The fourth proportional to 152,616.70, 228,959.85 and 47,446.30 is: 71,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,616.70 : 228,959.85 = 47,446.30 : x
  2. Step 2: Convert to fraction form
    152,616.70/228,959.85 = 47,446.30/x
  3. Step 3: Cross multiply
    152,616.70x = 228,959.85 × 47,446.30
  4. Step 4: Simplify right side
    152,616.70x = 10,863,297,731.06
  5. Step 5: Solve for x
    x = 10,863,297,731.06/152,616.70
  6. Step 6: Final answer
    x = 71,180.27

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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.