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Finding the Fourth Proportional to 202,251.73, 279,162.90 and 117,396.13

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Solution

The fourth proportional to 202,251.73, 279,162.90 and 117,396.13 is: 162,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,251.73 : 279,162.90 = 117,396.13 : x
  2. Step 2: Convert to fraction form
    202,251.73/279,162.90 = 117,396.13/x
  3. Step 3: Cross multiply
    202,251.73x = 279,162.90 × 117,396.13
  4. Step 4: Simplify right side
    202,251.73x = 32,772,644,099.58
  5. Step 5: Solve for x
    x = 32,772,644,099.58/202,251.73
  6. Step 6: Final answer
    x = 162,038.88

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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.