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Finding the Fourth Proportional to 151,730.69, 227,594.21 and 39,400.90

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Solution

The fourth proportional to 151,730.69, 227,594.21 and 39,400.90 is: 59,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,730.69 : 227,594.21 = 39,400.90 : x
  2. Step 2: Convert to fraction form
    151,730.69/227,594.21 = 39,400.90/x
  3. Step 3: Cross multiply
    151,730.69x = 227,594.21 × 39,400.90
  4. Step 4: Simplify right side
    151,730.69x = 8,967,415,942.80
  5. Step 5: Solve for x
    x = 8,967,415,942.80/151,730.69
  6. Step 6: Final answer
    x = 59,100.87

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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.