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Finding the Fourth Proportional to 167,762, 231,513.18 and 92,312.12

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Solution

The fourth proportional to 167,762, 231,513.18 and 92,312.12 is: 127,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,762 : 231,513.18 = 92,312.12 : x
  2. Step 2: Convert to fraction form
    167,762/231,513.18 = 92,312.12/x
  3. Step 3: Cross multiply
    167,762x = 231,513.18 × 92,312.12
  4. Step 4: Simplify right side
    167,762x = 21,371,472,453.74
  5. Step 5: Solve for x
    x = 21,371,472,453.74/167,762
  6. Step 6: Final answer
    x = 127,391.62

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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.