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Finding the Fourth Proportional to 292,186.56, 437,947.62 and 123,601.68

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Solution

The fourth proportional to 292,186.56, 437,947.62 and 123,601.68 is: 185,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,186.56 : 437,947.62 = 123,601.68 : x
  2. Step 2: Convert to fraction form
    292,186.56/437,947.62 = 123,601.68/x
  3. Step 3: Cross multiply
    292,186.56x = 437,947.62 × 123,601.68
  4. Step 4: Simplify right side
    292,186.56x = 54,131,061,584.00
  5. Step 5: Solve for x
    x = 54,131,061,584.00/292,186.56
  6. Step 6: Final answer
    x = 185,261.98

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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.