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Finding the Fourth Proportional to 88,649.52, 122,347.64 and 50,424

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Solution

The fourth proportional to 88,649.52, 122,347.64 and 50,424 is: 69,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,649.52 : 122,347.64 = 50,424 : x
  2. Step 2: Convert to fraction form
    88,649.52/122,347.64 = 50,424/x
  3. Step 3: Cross multiply
    88,649.52x = 122,347.64 × 50,424
  4. Step 4: Simplify right side
    88,649.52x = 6,169,257,399.36
  5. Step 5: Solve for x
    x = 6,169,257,399.36/88,649.52
  6. Step 6: Final answer
    x = 69,591.55

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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.