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Finding the Fourth Proportional to 237,243.48, 355,947.22 and 148,391.12

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Solution

The fourth proportional to 237,243.48, 355,947.22 and 148,391.12 is: 222,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,243.48 : 355,947.22 = 148,391.12 : x
  2. Step 2: Convert to fraction form
    237,243.48/355,947.22 = 148,391.12/x
  3. Step 3: Cross multiply
    237,243.48x = 355,947.22 × 148,391.12
  4. Step 4: Simplify right side
    237,243.48x = 52,819,406,636.69
  5. Step 5: Solve for x
    x = 52,819,406,636.69/237,243.48
  6. Step 6: Final answer
    x = 222,637.97

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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.