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Finding the Fourth Proportional to 151,656.80, 227,485.20 and 98,512.70

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Solution

The fourth proportional to 151,656.80, 227,485.20 and 98,512.70 is: 147,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,656.80 : 227,485.20 = 98,512.70 : x
  2. Step 2: Convert to fraction form
    151,656.80/227,485.20 = 98,512.70/x
  3. Step 3: Cross multiply
    151,656.80x = 227,485.20 × 98,512.70
  4. Step 4: Simplify right side
    151,656.80x = 22,410,181,262.04
  5. Step 5: Solve for x
    x = 22,410,181,262.04/151,656.80
  6. Step 6: Final answer
    x = 147,769.05

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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.