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Finding the Fourth Proportional to 88,551.54, 122,245.41 and 56,318.58

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Solution

The fourth proportional to 88,551.54, 122,245.41 and 56,318.58 is: 77,747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,551.54 : 122,245.41 = 56,318.58 : x
  2. Step 2: Convert to fraction form
    88,551.54/122,245.41 = 56,318.58/x
  3. Step 3: Cross multiply
    88,551.54x = 122,245.41 × 56,318.58
  4. Step 4: Simplify right side
    88,551.54x = 6,884,687,902.72
  5. Step 5: Solve for x
    x = 6,884,687,902.72/88,551.54
  6. Step 6: Final answer
    x = 77,747.81

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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.