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Finding the Fourth Proportional to 151,082.94, 226,618.41 and 61,164.54

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Solution

The fourth proportional to 151,082.94, 226,618.41 and 61,164.54 is: 91,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,082.94 : 226,618.41 = 61,164.54 : x
  2. Step 2: Convert to fraction form
    151,082.94/226,618.41 = 61,164.54/x
  3. Step 3: Cross multiply
    151,082.94x = 226,618.41 × 61,164.54
  4. Step 4: Simplify right side
    151,082.94x = 13,861,010,803.18
  5. Step 5: Solve for x
    x = 13,861,010,803.18/151,082.94
  6. Step 6: Final answer
    x = 91,744.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.