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Finding the Fourth Proportional to 88,901.82, 122,626.71 and 57,020.22

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Solution

The fourth proportional to 88,901.82, 122,626.71 and 57,020.22 is: 78,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,901.82 : 122,626.71 = 57,020.22 : x
  2. Step 2: Convert to fraction form
    88,901.82/122,626.71 = 57,020.22/x
  3. Step 3: Cross multiply
    88,901.82x = 122,626.71 × 57,020.22
  4. Step 4: Simplify right side
    88,901.82x = 6,992,201,982.08
  5. Step 5: Solve for x
    x = 6,992,201,982.08/88,901.82
  6. Step 6: Final answer
    x = 78,650.83

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1.5x scale

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.