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Finding the Fourth Proportional to 372,901.70, 559,433.55 and 136,244

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Solution

The fourth proportional to 372,901.70, 559,433.55 and 136,244 is: 204,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,901.70 : 559,433.55 = 136,244 : x
  2. Step 2: Convert to fraction form
    372,901.70/559,433.55 = 136,244/x
  3. Step 3: Cross multiply
    372,901.70x = 559,433.55 × 136,244
  4. Step 4: Simplify right side
    372,901.70x = 76,219,464,586.20
  5. Step 5: Solve for x
    x = 76,219,464,586.20/372,901.70
  6. Step 6: Final answer
    x = 204,395.59

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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.