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Finding the Fourth Proportional to 80,109.48, 110,551.78 and 44,301.90

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Solution

The fourth proportional to 80,109.48, 110,551.78 and 44,301.90 is: 61,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,109.48 : 110,551.78 = 44,301.90 : x
  2. Step 2: Convert to fraction form
    80,109.48/110,551.78 = 44,301.90/x
  3. Step 3: Cross multiply
    80,109.48x = 110,551.78 × 44,301.90
  4. Step 4: Simplify right side
    80,109.48x = 4,897,653,902.38
  5. Step 5: Solve for x
    x = 4,897,653,902.38/80,109.48
  6. Step 6: Final answer
    x = 61,137.01

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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.