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Finding the Fourth Proportional to 167,900.16, 231,702 and 92,448

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Solution

The fourth proportional to 167,900.16, 231,702 and 92,448 is: 127,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,900.16 : 231,702 = 92,448 : x
  2. Step 2: Convert to fraction form
    167,900.16/231,702 = 92,448/x
  3. Step 3: Cross multiply
    167,900.16x = 231,702 × 92,448
  4. Step 4: Simplify right side
    167,900.16x = 21,420,386,496
  5. Step 5: Solve for x
    x = 21,420,386,496/167,900.16
  6. Step 6: Final answer
    x = 127,578.12

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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.