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Finding the Fourth Proportional to 151,996.80, 227,995.20 and 144,739.20

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Solution

The fourth proportional to 151,996.80, 227,995.20 and 144,739.20 is: 217,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,996.80 : 227,995.20 = 144,739.20 : x
  2. Step 2: Convert to fraction form
    151,996.80/227,995.20 = 144,739.20/x
  3. Step 3: Cross multiply
    151,996.80x = 227,995.20 × 144,739.20
  4. Step 4: Simplify right side
    151,996.80x = 32,999,842,851.84
  5. Step 5: Solve for x
    x = 32,999,842,851.84/151,996.80
  6. Step 6: Final answer
    x = 217,108.80

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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.