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Finding the Fourth Proportional to 270,728.70, 373,610.01 and 148,219.01

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Solution

The fourth proportional to 270,728.70, 373,610.01 and 148,219.01 is: 204,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,728.70 : 373,610.01 = 148,219.01 : x
  2. Step 2: Convert to fraction form
    270,728.70/373,610.01 = 148,219.01/x
  3. Step 3: Cross multiply
    270,728.70x = 373,610.01 × 148,219.01
  4. Step 4: Simplify right side
    270,728.70x = 55,376,106,742.32
  5. Step 5: Solve for x
    x = 55,376,106,742.32/270,728.70
  6. Step 6: Final answer
    x = 204,544.65

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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.