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Finding the Fourth Proportional to 63,788.01, 87,935.22 and 42,241.60

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Solution

The fourth proportional to 63,788.01, 87,935.22 and 42,241.60 is: 58,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,788.01 : 87,935.22 = 42,241.60 : x
  2. Step 2: Convert to fraction form
    63,788.01/87,935.22 = 42,241.60/x
  3. Step 3: Cross multiply
    63,788.01x = 87,935.22 × 42,241.60
  4. Step 4: Simplify right side
    63,788.01x = 3,714,524,499.07
  5. Step 5: Solve for x
    x = 3,714,524,499.07/63,788.01
  6. Step 6: Final answer
    x = 58,232.33

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