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Finding the Fourth Proportional to 207,705.50, 311,530.51 and 57,933.26

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Solution

The fourth proportional to 207,705.50, 311,530.51 and 57,933.26 is: 86,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,705.50 : 311,530.51 = 57,933.26 : x
  2. Step 2: Convert to fraction form
    207,705.50/311,530.51 = 57,933.26/x
  3. Step 3: Cross multiply
    207,705.50x = 311,530.51 × 57,933.26
  4. Step 4: Simplify right side
    207,705.50x = 18,047,978,667.76
  5. Step 5: Solve for x
    x = 18,047,978,667.76/207,705.50
  6. Step 6: Final answer
    x = 86,892.15

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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.