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Finding the Fourth Proportional to 175,156.23, 262,834.32 and 68,548.89

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Solution

The fourth proportional to 175,156.23, 262,834.32 and 68,548.89 is: 102,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,156.23 : 262,834.32 = 68,548.89 : x
  2. Step 2: Convert to fraction form
    175,156.23/262,834.32 = 68,548.89/x
  3. Step 3: Cross multiply
    175,156.23x = 262,834.32 × 68,548.89
  4. Step 4: Simplify right side
    175,156.23x = 18,017,000,161.33
  5. Step 5: Solve for x
    x = 18,017,000,161.33/175,156.23
  6. Step 6: Final answer
    x = 102,862.46

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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.