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Finding the Fourth Proportional to 88,419, 122,018.26 and 48,675

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Solution

The fourth proportional to 88,419, 122,018.26 and 48,675 is: 67,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,419 : 122,018.26 = 48,675 : x
  2. Step 2: Convert to fraction form
    88,419/122,018.26 = 48,675/x
  3. Step 3: Cross multiply
    88,419x = 122,018.26 × 48,675
  4. Step 4: Simplify right side
    88,419x = 5,939,238,805.50
  5. Step 5: Solve for x
    x = 5,939,238,805.50/88,419
  6. Step 6: Final answer
    x = 67,171.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.