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Finding the Fourth Proportional to 248,543.20, 336,058.20 and 248,543.20

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Solution

The fourth proportional to 248,543.20, 336,058.20 and 248,543.20 is: 336,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,543.20 : 336,058.20 = 248,543.20 : x
  2. Step 2: Convert to fraction form
    248,543.20/336,058.20 = 248,543.20/x
  3. Step 3: Cross multiply
    248,543.20x = 336,058.20 × 248,543.20
  4. Step 4: Simplify right side
    248,543.20x = 83,524,980,414.24
  5. Step 5: Solve for x
    x = 83,524,980,414.24/248,543.20
  6. Step 6: Final answer
    x = 336,058.20

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.