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Finding the Fourth Proportional to 100,542.92, 150,849.41 and 63,058.64

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Solution

The fourth proportional to 100,542.92, 150,849.41 and 63,058.64 is: 94,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,542.92 : 150,849.41 = 63,058.64 : x
  2. Step 2: Convert to fraction form
    100,542.92/150,849.41 = 63,058.64/x
  3. Step 3: Cross multiply
    100,542.92x = 150,849.41 × 63,058.64
  4. Step 4: Simplify right side
    100,542.92x = 9,512,357,569.86
  5. Step 5: Solve for x
    x = 9,512,357,569.86/100,542.92
  6. Step 6: Final answer
    x = 94,609.92

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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.