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Finding the Fourth Proportional to 168,045.12, 231,900.84 and 92,592

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Solution

The fourth proportional to 168,045.12, 231,900.84 and 92,592 is: 127,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,045.12 : 231,900.84 = 92,592 : x
  2. Step 2: Convert to fraction form
    168,045.12/231,900.84 = 92,592/x
  3. Step 3: Cross multiply
    168,045.12x = 231,900.84 × 92,592
  4. Step 4: Simplify right side
    168,045.12x = 21,472,162,577.28
  5. Step 5: Solve for x
    x = 21,472,162,577.28/168,045.12
  6. Step 6: Final answer
    x = 127,776.17

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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.