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Finding the Fourth Proportional to 151,412.80, 227,119.20 and 148,302.40

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Solution

The fourth proportional to 151,412.80, 227,119.20 and 148,302.40 is: 222,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,412.80 : 227,119.20 = 148,302.40 : x
  2. Step 2: Convert to fraction form
    151,412.80/227,119.20 = 148,302.40/x
  3. Step 3: Cross multiply
    151,412.80x = 227,119.20 × 148,302.40
  4. Step 4: Simplify right side
    151,412.80x = 33,682,322,446.08
  5. Step 5: Solve for x
    x = 33,682,322,446.08/151,412.80
  6. Step 6: Final answer
    x = 222,453.60

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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.