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Finding the Fourth Proportional to 119,235.27, 178,741.71 and 40,294.29

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Solution

The fourth proportional to 119,235.27, 178,741.71 and 40,294.29 is: 60,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,235.27 : 178,741.71 = 40,294.29 : x
  2. Step 2: Convert to fraction form
    119,235.27/178,741.71 = 40,294.29/x
  3. Step 3: Cross multiply
    119,235.27x = 178,741.71 × 40,294.29
  4. Step 4: Simplify right side
    119,235.27x = 7,202,270,297.84
  5. Step 5: Solve for x
    x = 7,202,270,297.84/119,235.27
  6. Step 6: Final answer
    x = 60,403.86

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Why These Related Problems?

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