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Finding the Fourth Proportional to 185,552.91, 278,476.92 and 67,258.08

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Solution

The fourth proportional to 185,552.91, 278,476.92 and 67,258.08 is: 100,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,552.91 : 278,476.92 = 67,258.08 : x
  2. Step 2: Convert to fraction form
    185,552.91/278,476.92 = 67,258.08/x
  3. Step 3: Cross multiply
    185,552.91x = 278,476.92 × 67,258.08
  4. Step 4: Simplify right side
    185,552.91x = 18,729,822,963.51
  5. Step 5: Solve for x
    x = 18,729,822,963.51/185,552.91
  6. Step 6: Final answer
    x = 100,940.60

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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.