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Finding the Fourth Proportional to 75,829.92, 104,650.56 and 42,295.92

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Solution

The fourth proportional to 75,829.92, 104,650.56 and 42,295.92 is: 58,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,829.92 : 104,650.56 = 42,295.92 : x
  2. Step 2: Convert to fraction form
    75,829.92/104,650.56 = 42,295.92/x
  3. Step 3: Cross multiply
    75,829.92x = 104,650.56 × 42,295.92
  4. Step 4: Simplify right side
    75,829.92x = 4,426,291,713.72
  5. Step 5: Solve for x
    x = 4,426,291,713.72/75,829.92
  6. Step 6: Final answer
    x = 58,371.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.