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Finding the Fourth Proportional to 245,432.05, 368,107.06 and 67,957

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Solution

The fourth proportional to 245,432.05, 368,107.06 and 67,957 is: 101,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,432.05 : 368,107.06 = 67,957 : x
  2. Step 2: Convert to fraction form
    245,432.05/368,107.06 = 67,957/x
  3. Step 3: Cross multiply
    245,432.05x = 368,107.06 × 67,957
  4. Step 4: Simplify right side
    245,432.05x = 25,015,451,476.42
  5. Step 5: Solve for x
    x = 25,015,451,476.42/245,432.05
  6. Step 6: Final answer
    x = 101,924.14

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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.