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Finding the Fourth Proportional to 151,772.70, 227,659.05 and 73,040.70

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Solution

The fourth proportional to 151,772.70, 227,659.05 and 73,040.70 is: 109,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,772.70 : 227,659.05 = 73,040.70 : x
  2. Step 2: Convert to fraction form
    151,772.70/227,659.05 = 73,040.70/x
  3. Step 3: Cross multiply
    151,772.70x = 227,659.05 × 73,040.70
  4. Step 4: Simplify right side
    151,772.70x = 16,628,376,373.34
  5. Step 5: Solve for x
    x = 16,628,376,373.34/151,772.70
  6. Step 6: Final answer
    x = 109,561.05

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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.