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Finding the Fourth Proportional to 148,226.67, 204,552.72 and 81,158.67

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Solution

The fourth proportional to 148,226.67, 204,552.72 and 81,158.67 is: 111,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,226.67 : 204,552.72 = 81,158.67 : x
  2. Step 2: Convert to fraction form
    148,226.67/204,552.72 = 81,158.67/x
  3. Step 3: Cross multiply
    148,226.67x = 204,552.72 × 81,158.67
  4. Step 4: Simplify right side
    148,226.67x = 16,601,226,700.08
  5. Step 5: Solve for x
    x = 16,601,226,700.08/148,226.67
  6. Step 6: Final answer
    x = 111,998.92

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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.