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Finding the Fourth Proportional to 203,086.76, 304,650.54 and 69,949.48

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Solution

The fourth proportional to 203,086.76, 304,650.54 and 69,949.48 is: 104,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,086.76 : 304,650.54 = 69,949.48 : x
  2. Step 2: Convert to fraction form
    203,086.76/304,650.54 = 69,949.48/x
  3. Step 3: Cross multiply
    203,086.76x = 304,650.54 × 69,949.48
  4. Step 4: Simplify right side
    203,086.76x = 21,310,146,854.72
  5. Step 5: Solve for x
    x = 21,310,146,854.72/203,086.76
  6. Step 6: Final answer
    x = 104,931.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.