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Finding the Fourth Proportional to 151,712.80, 227,050.80 and 133,050.40

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Solution

The fourth proportional to 151,712.80, 227,050.80 and 133,050.40 is: 199,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,712.80 : 227,050.80 = 133,050.40 : x
  2. Step 2: Convert to fraction form
    151,712.80/227,050.80 = 133,050.40/x
  3. Step 3: Cross multiply
    151,712.80x = 227,050.80 × 133,050.40
  4. Step 4: Simplify right side
    151,712.80x = 30,209,199,760.32
  5. Step 5: Solve for x
    x = 30,209,199,760.32/151,712.80
  6. Step 6: Final answer
    x = 199,120.97

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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.