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Finding the Fourth Proportional to 150,841.89, 226,345.95 and 91,719.09

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Solution

The fourth proportional to 150,841.89, 226,345.95 and 91,719.09 is: 137,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,841.89 : 226,345.95 = 91,719.09 : x
  2. Step 2: Convert to fraction form
    150,841.89/226,345.95 = 91,719.09/x
  3. Step 3: Cross multiply
    150,841.89x = 226,345.95 × 91,719.09
  4. Step 4: Simplify right side
    150,841.89x = 20,760,244,559.19
  5. Step 5: Solve for x
    x = 20,760,244,559.19/150,841.89
  6. Step 6: Final answer
    x = 137,629.17

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1.5x scale

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.