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Finding the Fourth Proportional to 72,201.44, 108,279.12 and 24,805.10

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Solution

The fourth proportional to 72,201.44, 108,279.12 and 24,805.10 is: 37,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,201.44 : 108,279.12 = 24,805.10 : x
  2. Step 2: Convert to fraction form
    72,201.44/108,279.12 = 24,805.10/x
  3. Step 3: Cross multiply
    72,201.44x = 108,279.12 × 24,805.10
  4. Step 4: Simplify right side
    72,201.44x = 2,685,874,693.46
  5. Step 5: Solve for x
    x = 2,685,874,693.46/72,201.44
  6. Step 6: Final answer
    x = 37,199.74

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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.