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Finding the Fourth Proportional to 245,402.69, 368,112.24 and 67,894.84

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Solution

The fourth proportional to 245,402.69, 368,112.24 and 67,894.84 is: 101,844.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,402.69 : 368,112.24 = 67,894.84 : x
  2. Step 2: Convert to fraction form
    245,402.69/368,112.24 = 67,894.84/x
  3. Step 3: Cross multiply
    245,402.69x = 368,112.24 × 67,894.84
  4. Step 4: Simplify right side
    245,402.69x = 24,992,919,456.81
  5. Step 5: Solve for x
    x = 24,992,919,456.81/245,402.69
  6. Step 6: Final answer
    x = 101,844.52

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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.