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Finding the Fourth Proportional to 109,599.82, 151,236.21 and 63,650.51

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Solution

The fourth proportional to 109,599.82, 151,236.21 and 63,650.51 is: 87,831.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,599.82 : 151,236.21 = 63,650.51 : x
  2. Step 2: Convert to fraction form
    109,599.82/151,236.21 = 63,650.51/x
  3. Step 3: Cross multiply
    109,599.82x = 151,236.21 × 63,650.51
  4. Step 4: Simplify right side
    109,599.82x = 9,626,261,946.61
  5. Step 5: Solve for x
    x = 9,626,261,946.61/109,599.82
  6. Step 6: Final answer
    x = 87,831.00

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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.