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Finding the Fourth Proportional to 198,045, 296,870.67 and 92,675.34

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Solution

The fourth proportional to 198,045, 296,870.67 and 92,675.34 is: 138,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,045 : 296,870.67 = 92,675.34 : x
  2. Step 2: Convert to fraction form
    198,045/296,870.67 = 92,675.34/x
  3. Step 3: Cross multiply
    198,045x = 296,870.67 × 92,675.34
  4. Step 4: Simplify right side
    198,045x = 27,512,590,278.28
  5. Step 5: Solve for x
    x = 27,512,590,278.28/198,045
  6. Step 6: Final answer
    x = 138,920.90

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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.