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Finding the Fourth Proportional to 199,484.71, 275,287.49 and 113,443.64

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Solution

The fourth proportional to 199,484.71, 275,287.49 and 113,443.64 is: 156,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,484.71 : 275,287.49 = 113,443.64 : x
  2. Step 2: Convert to fraction form
    199,484.71/275,287.49 = 113,443.64/x
  3. Step 3: Cross multiply
    199,484.71x = 275,287.49 × 113,443.64
  4. Step 4: Simplify right side
    199,484.71x = 31,229,614,426.15
  5. Step 5: Solve for x
    x = 31,229,614,426.15/199,484.71
  6. Step 6: Final answer
    x = 156,551.42

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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.