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Finding the Fourth Proportional to 552,067.17, 828,140.13 and 147,257.11

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Solution

The fourth proportional to 552,067.17, 828,140.13 and 147,257.11 is: 220,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,067.17 : 828,140.13 = 147,257.11 : x
  2. Step 2: Convert to fraction form
    552,067.17/828,140.13 = 147,257.11/x
  3. Step 3: Cross multiply
    552,067.17x = 828,140.13 × 147,257.11
  4. Step 4: Simplify right side
    552,067.17x = 121,949,525,168.98
  5. Step 5: Solve for x
    x = 121,949,525,168.98/552,067.17
  6. Step 6: Final answer
    x = 220,896.17

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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.