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Finding the Fourth Proportional to 113,842.18, 170,748.15 and 33,878.71

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Solution

The fourth proportional to 113,842.18, 170,748.15 and 33,878.71 is: 50,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,842.18 : 170,748.15 = 33,878.71 : x
  2. Step 2: Convert to fraction form
    113,842.18/170,748.15 = 33,878.71/x
  3. Step 3: Cross multiply
    113,842.18x = 170,748.15 × 33,878.71
  4. Step 4: Simplify right side
    113,842.18x = 5,784,727,056.89
  5. Step 5: Solve for x
    x = 5,784,727,056.89/113,842.18
  6. Step 6: Final answer
    x = 50,813.57

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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.