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Finding the Fourth Proportional to 189,247.25, 283,921.91 and 62,907.90

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Solution

The fourth proportional to 189,247.25, 283,921.91 and 62,907.90 is: 94,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,247.25 : 283,921.91 = 62,907.90 : x
  2. Step 2: Convert to fraction form
    189,247.25/283,921.91 = 62,907.90/x
  3. Step 3: Cross multiply
    189,247.25x = 283,921.91 × 62,907.90
  4. Step 4: Simplify right side
    189,247.25x = 17,860,930,807.55
  5. Step 5: Solve for x
    x = 17,860,930,807.55/189,247.25
  6. Step 6: Final answer
    x = 94,378.82

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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.