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Finding the Fourth Proportional to 203,094.39, 280,272.50 and 112,451.95

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Solution

The fourth proportional to 203,094.39, 280,272.50 and 112,451.95 is: 155,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,094.39 : 280,272.50 = 112,451.95 : x
  2. Step 2: Convert to fraction form
    203,094.39/280,272.50 = 112,451.95/x
  3. Step 3: Cross multiply
    203,094.39x = 280,272.50 × 112,451.95
  4. Step 4: Simplify right side
    203,094.39x = 31,517,189,156.38
  5. Step 5: Solve for x
    x = 31,517,189,156.38/203,094.39
  6. Step 6: Final answer
    x = 155,184.93

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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.