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Finding the Fourth Proportional to 372,168, 558,252 and 122,869.44

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Solution

The fourth proportional to 372,168, 558,252 and 122,869.44 is: 184,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,168 : 558,252 = 122,869.44 : x
  2. Step 2: Convert to fraction form
    372,168/558,252 = 122,869.44/x
  3. Step 3: Cross multiply
    372,168x = 558,252 × 122,869.44
  4. Step 4: Simplify right side
    372,168x = 68,592,110,618.88
  5. Step 5: Solve for x
    x = 68,592,110,618.88/372,168
  6. Step 6: Final answer
    x = 184,304.16

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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.