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Finding the Fourth Proportional to 107,881.65, 161,808.30 and 33,009.30

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Solution

The fourth proportional to 107,881.65, 161,808.30 and 33,009.30 is: 49,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,881.65 : 161,808.30 = 33,009.30 : x
  2. Step 2: Convert to fraction form
    107,881.65/161,808.30 = 33,009.30/x
  3. Step 3: Cross multiply
    107,881.65x = 161,808.30 × 33,009.30
  4. Step 4: Simplify right side
    107,881.65x = 5,341,178,717.19
  5. Step 5: Solve for x
    x = 5,341,178,717.19/107,881.65
  6. Step 6: Final answer
    x = 49,509.61

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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.