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Finding the Fourth Proportional to 247,880.67, 342,179.97 and 167,417.18

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Solution

The fourth proportional to 247,880.67, 342,179.97 and 167,417.18 is: 231,106.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,880.67 : 342,179.97 = 167,417.18 : x
  2. Step 2: Convert to fraction form
    247,880.67/342,179.97 = 167,417.18/x
  3. Step 3: Cross multiply
    247,880.67x = 342,179.97 × 167,417.18
  4. Step 4: Simplify right side
    247,880.67x = 57,286,805,045.21
  5. Step 5: Solve for x
    x = 57,286,805,045.21/247,880.67
  6. Step 6: Final answer
    x = 231,106.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.