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Finding the Fourth Proportional to 88,202.34, 121,692.39 and 49,955.82

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Solution

The fourth proportional to 88,202.34, 121,692.39 and 49,955.82 is: 68,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,202.34 : 121,692.39 = 49,955.82 : x
  2. Step 2: Convert to fraction form
    88,202.34/121,692.39 = 49,955.82/x
  3. Step 3: Cross multiply
    88,202.34x = 121,692.39 × 49,955.82
  4. Step 4: Simplify right side
    88,202.34x = 6,079,243,130.21
  5. Step 5: Solve for x
    x = 6,079,243,130.21/88,202.34
  6. Step 6: Final answer
    x = 68,923.83

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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.