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Finding the Fourth Proportional to 202,750.34, 279,784.17 and 112,100.86

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Solution

The fourth proportional to 202,750.34, 279,784.17 and 112,100.86 is: 154,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,750.34 : 279,784.17 = 112,100.86 : x
  2. Step 2: Convert to fraction form
    202,750.34/279,784.17 = 112,100.86/x
  3. Step 3: Cross multiply
    202,750.34x = 279,784.17 × 112,100.86
  4. Step 4: Simplify right side
    202,750.34x = 31,364,046,892.73
  5. Step 5: Solve for x
    x = 31,364,046,892.73/202,750.34
  6. Step 6: Final answer
    x = 154,692.94

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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.