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Finding the Fourth Proportional to 185,894.88, 278,719.04 and 67,552.16

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Solution

The fourth proportional to 185,894.88, 278,719.04 and 67,552.16 is: 101,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,894.88 : 278,719.04 = 67,552.16 : x
  2. Step 2: Convert to fraction form
    185,894.88/278,719.04 = 67,552.16/x
  3. Step 3: Cross multiply
    185,894.88x = 278,719.04 × 67,552.16
  4. Step 4: Simplify right side
    185,894.88x = 18,828,073,185.13
  5. Step 5: Solve for x
    x = 18,828,073,185.13/185,894.88
  6. Step 6: Final answer
    x = 101,283.44

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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.