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Finding the Fourth Proportional to 372,767, 559,163.46 and 123,442.52

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Solution

The fourth proportional to 372,767, 559,163.46 and 123,442.52 is: 185,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,767 : 559,163.46 = 123,442.52 : x
  2. Step 2: Convert to fraction form
    372,767/559,163.46 = 123,442.52/x
  3. Step 3: Cross multiply
    372,767x = 559,163.46 × 123,442.52
  4. Step 4: Simplify right side
    372,767x = 69,024,546,594.32
  5. Step 5: Solve for x
    x = 69,024,546,594.32/372,767
  6. Step 6: Final answer
    x = 185,168.07

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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.