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Finding the Fourth Proportional to 109,599.27, 151,235.44 and 63,649.94

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Solution

The fourth proportional to 109,599.27, 151,235.44 and 63,649.94 is: 87,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,599.27 : 151,235.44 = 63,649.94 : x
  2. Step 2: Convert to fraction form
    109,599.27/151,235.44 = 63,649.94/x
  3. Step 3: Cross multiply
    109,599.27x = 151,235.44 × 63,649.94
  4. Step 4: Simplify right side
    109,599.27x = 9,626,125,766.57
  5. Step 5: Solve for x
    x = 9,626,125,766.57/109,599.27
  6. Step 6: Final answer
    x = 87,830.20

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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.