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Finding the Fourth Proportional to 88,615.78, 122,284.90 and 50,370.01

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Solution

The fourth proportional to 88,615.78, 122,284.90 and 50,370.01 is: 69,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,615.78 : 122,284.90 = 50,370.01 : x
  2. Step 2: Convert to fraction form
    88,615.78/122,284.90 = 50,370.01/x
  3. Step 3: Cross multiply
    88,615.78x = 122,284.90 × 50,370.01
  4. Step 4: Simplify right side
    88,615.78x = 6,159,491,635.85
  5. Step 5: Solve for x
    x = 6,159,491,635.85/88,615.78
  6. Step 6: Final answer
    x = 69,507.84

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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.