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Finding the Fourth Proportional to 80,706.78, 111,376.62 and 44,898.30

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Solution

The fourth proportional to 80,706.78, 111,376.62 and 44,898.30 is: 61,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,706.78 : 111,376.62 = 44,898.30 : x
  2. Step 2: Convert to fraction form
    80,706.78/111,376.62 = 44,898.30/x
  3. Step 3: Cross multiply
    80,706.78x = 111,376.62 × 44,898.30
  4. Step 4: Simplify right side
    80,706.78x = 5,000,620,897.75
  5. Step 5: Solve for x
    x = 5,000,620,897.75/80,706.78
  6. Step 6: Final answer
    x = 61,960.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.