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Finding the Fourth Proportional to 73,044.32, 100,799.52 and 41,212.40

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Solution

The fourth proportional to 73,044.32, 100,799.52 and 41,212.40 is: 56,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,044.32 : 100,799.52 = 41,212.40 : x
  2. Step 2: Convert to fraction form
    73,044.32/100,799.52 = 41,212.40/x
  3. Step 3: Cross multiply
    73,044.32x = 100,799.52 × 41,212.40
  4. Step 4: Simplify right side
    73,044.32x = 4,154,190,138.05
  5. Step 5: Solve for x
    x = 4,154,190,138.05/73,044.32
  6. Step 6: Final answer
    x = 56,872.19

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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.