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Finding the Fourth Proportional to 86,892.96, 119,891.52 and 52,901.04

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Solution

The fourth proportional to 86,892.96, 119,891.52 and 52,901.04 is: 72,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,892.96 : 119,891.52 = 52,901.04 : x
  2. Step 2: Convert to fraction form
    86,892.96/119,891.52 = 52,901.04/x
  3. Step 3: Cross multiply
    86,892.96x = 119,891.52 × 52,901.04
  4. Step 4: Simplify right side
    86,892.96x = 6,342,386,095.18
  5. Step 5: Solve for x
    x = 6,342,386,095.18/86,892.96
  6. Step 6: Final answer
    x = 72,990.79

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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.