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Finding the Fourth Proportional to 202,353.88, 279,257.39 and 116,340.76

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Solution

The fourth proportional to 202,353.88, 279,257.39 and 116,340.76 is: 160,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,353.88 : 279,257.39 = 116,340.76 : x
  2. Step 2: Convert to fraction form
    202,353.88/279,257.39 = 116,340.76/x
  3. Step 3: Cross multiply
    202,353.88x = 279,257.39 × 116,340.76
  4. Step 4: Simplify right side
    202,353.88x = 32,489,016,988.22
  5. Step 5: Solve for x
    x = 32,489,016,988.22/202,353.88
  6. Step 6: Final answer
    x = 160,555.44

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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.