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Finding the Fourth Proportional to 245,253.76, 367,906.56 and 104,974.72

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Solution

The fourth proportional to 245,253.76, 367,906.56 and 104,974.72 is: 157,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,253.76 : 367,906.56 = 104,974.72 : x
  2. Step 2: Convert to fraction form
    245,253.76/367,906.56 = 104,974.72/x
  3. Step 3: Cross multiply
    245,253.76x = 367,906.56 × 104,974.72
  4. Step 4: Simplify right side
    245,253.76x = 38,620,888,122.16
  5. Step 5: Solve for x
    x = 38,620,888,122.16/245,253.76
  6. Step 6: Final answer
    x = 157,473.17

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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.