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Finding the Fourth Proportional to 63,165, 87,166.62 and 34,870.08

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Solution

The fourth proportional to 63,165, 87,166.62 and 34,870.08 is: 48,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,165 : 87,166.62 = 34,870.08 : x
  2. Step 2: Convert to fraction form
    63,165/87,166.62 = 34,870.08/x
  3. Step 3: Cross multiply
    63,165x = 87,166.62 × 34,870.08
  4. Step 4: Simplify right side
    63,165x = 3,039,507,012.73
  5. Step 5: Solve for x
    x = 3,039,507,012.73/63,165
  6. Step 6: Final answer
    x = 48,120.11

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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.