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Finding the Fourth Proportional to 203,566.59, 280,955.58 and 112,951.76

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Solution

The fourth proportional to 203,566.59, 280,955.58 and 112,951.76 is: 155,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,566.59 : 280,955.58 = 112,951.76 : x
  2. Step 2: Convert to fraction form
    203,566.59/280,955.58 = 112,951.76/x
  3. Step 3: Cross multiply
    203,566.59x = 280,955.58 × 112,951.76
  4. Step 4: Simplify right side
    203,566.59x = 31,734,425,273.28
  5. Step 5: Solve for x
    x = 31,734,425,273.28/203,566.59
  6. Step 6: Final answer
    x = 155,892.11

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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.