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Finding the Fourth Proportional to 159,794.55, 220,529.79 and 88,190.10

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Solution

The fourth proportional to 159,794.55, 220,529.79 and 88,190.10 is: 121,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,794.55 : 220,529.79 = 88,190.10 : x
  2. Step 2: Convert to fraction form
    159,794.55/220,529.79 = 88,190.10/x
  3. Step 3: Cross multiply
    159,794.55x = 220,529.79 × 88,190.10
  4. Step 4: Simplify right side
    159,794.55x = 19,448,544,233.08
  5. Step 5: Solve for x
    x = 19,448,544,233.08/159,794.55
  6. Step 6: Final answer
    x = 121,709.68

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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.