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Finding the Fourth Proportional to 203,602.22, 305,422.77 and 63,323.18

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Solution

The fourth proportional to 203,602.22, 305,422.77 and 63,323.18 is: 94,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,602.22 : 305,422.77 = 63,323.18 : x
  2. Step 2: Convert to fraction form
    203,602.22/305,422.77 = 63,323.18/x
  3. Step 3: Cross multiply
    203,602.22x = 305,422.77 × 63,323.18
  4. Step 4: Simplify right side
    203,602.22x = 19,340,341,040.81
  5. Step 5: Solve for x
    x = 19,340,341,040.81/203,602.22
  6. Step 6: Final answer
    x = 94,990.82

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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.