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Finding the Fourth Proportional to 202,310.55, 279,146.87 and 116,252.90

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Solution

The fourth proportional to 202,310.55, 279,146.87 and 116,252.90 is: 160,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,310.55 : 279,146.87 = 116,252.90 : x
  2. Step 2: Convert to fraction form
    202,310.55/279,146.87 = 116,252.90/x
  3. Step 3: Cross multiply
    202,310.55x = 279,146.87 × 116,252.90
  4. Step 4: Simplify right side
    202,310.55x = 32,451,634,151.92
  5. Step 5: Solve for x
    x = 32,451,634,151.92/202,310.55
  6. Step 6: Final answer
    x = 160,405.05

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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.