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Finding the Fourth Proportional to 91,764, 137,633.04 and 41,842.08

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Solution

The fourth proportional to 91,764, 137,633.04 and 41,842.08 is: 62,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,764 : 137,633.04 = 41,842.08 : x
  2. Step 2: Convert to fraction form
    91,764/137,633.04 = 41,842.08/x
  3. Step 3: Cross multiply
    91,764x = 137,633.04 × 41,842.08
  4. Step 4: Simplify right side
    91,764x = 5,758,852,670.32
  5. Step 5: Solve for x
    x = 5,758,852,670.32/91,764
  6. Step 6: Final answer
    x = 62,757.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.