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Finding the Fourth Proportional to 372,796.59, 559,058.81 and 136,069.23

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Solution

The fourth proportional to 372,796.59, 559,058.81 and 136,069.23 is: 204,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,796.59 : 559,058.81 = 136,069.23 : x
  2. Step 2: Convert to fraction form
    372,796.59/559,058.81 = 136,069.23/x
  3. Step 3: Cross multiply
    372,796.59x = 559,058.81 × 136,069.23
  4. Step 4: Simplify right side
    372,796.59x = 76,070,701,121.07
  5. Step 5: Solve for x
    x = 76,070,701,121.07/372,796.59
  6. Step 6: Final answer
    x = 204,054.18

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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.