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Finding the Fourth Proportional to 88,808.63, 122,610.58 and 57,033.54

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Solution

The fourth proportional to 88,808.63, 122,610.58 and 57,033.54 is: 78,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,808.63 : 122,610.58 = 57,033.54 : x
  2. Step 2: Convert to fraction form
    88,808.63/122,610.58 = 57,033.54/x
  3. Step 3: Cross multiply
    88,808.63x = 122,610.58 × 57,033.54
  4. Step 4: Simplify right side
    88,808.63x = 6,992,915,276.27
  5. Step 5: Solve for x
    x = 6,992,915,276.27/88,808.63
  6. Step 6: Final answer
    x = 78,741.40

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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.