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Finding the Fourth Proportional to 89,101.46, 122,961.08 and 50,866.22

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Solution

The fourth proportional to 89,101.46, 122,961.08 and 50,866.22 is: 70,195.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,101.46 : 122,961.08 = 50,866.22 : x
  2. Step 2: Convert to fraction form
    89,101.46/122,961.08 = 50,866.22/x
  3. Step 3: Cross multiply
    89,101.46x = 122,961.08 × 50,866.22
  4. Step 4: Simplify right side
    89,101.46x = 6,254,565,346.72
  5. Step 5: Solve for x
    x = 6,254,565,346.72/89,101.46
  6. Step 6: Final answer
    x = 70,195.99

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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.