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Finding the Fourth Proportional to 268,468.80, 370,488.41 and 158,092.26

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Solution

The fourth proportional to 268,468.80, 370,488.41 and 158,092.26 is: 218,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,468.80 : 370,488.41 = 158,092.26 : x
  2. Step 2: Convert to fraction form
    268,468.80/370,488.41 = 158,092.26/x
  3. Step 3: Cross multiply
    268,468.80x = 370,488.41 × 158,092.26
  4. Step 4: Simplify right side
    268,468.80x = 58,571,349,843.09
  5. Step 5: Solve for x
    x = 58,571,349,843.09/268,468.80
  6. Step 6: Final answer
    x = 218,168.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.