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Finding the Fourth Proportional to 158,243.91, 237,365.91 and 47,435.91

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Solution

The fourth proportional to 158,243.91, 237,365.91 and 47,435.91 is: 71,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,243.91 : 237,365.91 = 47,435.91 : x
  2. Step 2: Convert to fraction form
    158,243.91/237,365.91 = 47,435.91/x
  3. Step 3: Cross multiply
    158,243.91x = 237,365.91 × 47,435.91
  4. Step 4: Simplify right side
    158,243.91x = 11,259,667,053.71
  5. Step 5: Solve for x
    x = 11,259,667,053.71/158,243.91
  6. Step 6: Final answer
    x = 71,153.87

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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.