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Finding the Fourth Proportional to 151,203.40, 226,610.70 and 91,976.20

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Solution

The fourth proportional to 151,203.40, 226,610.70 and 91,976.20 is: 137,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,203.40 : 226,610.70 = 91,976.20 : x
  2. Step 2: Convert to fraction form
    151,203.40/226,610.70 = 91,976.20/x
  3. Step 3: Cross multiply
    151,203.40x = 226,610.70 × 91,976.20
  4. Step 4: Simplify right side
    151,203.40x = 20,842,791,065.34
  5. Step 5: Solve for x
    x = 20,842,791,065.34/151,203.40
  6. Step 6: Final answer
    x = 137,846.05

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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.