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Finding the Fourth Proportional to 80,173.78, 110,638.23 and 44,365.30

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Solution

The fourth proportional to 80,173.78, 110,638.23 and 44,365.30 is: 61,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,173.78 : 110,638.23 = 44,365.30 : x
  2. Step 2: Convert to fraction form
    80,173.78/110,638.23 = 44,365.30/x
  3. Step 3: Cross multiply
    80,173.78x = 110,638.23 × 44,365.30
  4. Step 4: Simplify right side
    80,173.78x = 4,908,498,265.42
  5. Step 5: Solve for x
    x = 4,908,498,265.42/80,173.78
  6. Step 6: Final answer
    x = 61,223.24

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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.