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Finding the Fourth Proportional to 136,601.01, 204,901.53 and 106,665.84

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Solution

The fourth proportional to 136,601.01, 204,901.53 and 106,665.84 is: 159,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,601.01 : 204,901.53 = 106,665.84 : x
  2. Step 2: Convert to fraction form
    136,601.01/204,901.53 = 106,665.84/x
  3. Step 3: Cross multiply
    136,601.01x = 204,901.53 × 106,665.84
  4. Step 4: Simplify right side
    136,601.01x = 21,855,993,814.74
  5. Step 5: Solve for x
    x = 21,855,993,814.74/136,601.01
  6. Step 6: Final answer
    x = 159,998.77

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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.