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Finding the Fourth Proportional to 169,175.67, 253,763.50 and 56,855.89

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Solution

The fourth proportional to 169,175.67, 253,763.50 and 56,855.89 is: 85,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,175.67 : 253,763.50 = 56,855.89 : x
  2. Step 2: Convert to fraction form
    169,175.67/253,763.50 = 56,855.89/x
  3. Step 3: Cross multiply
    169,175.67x = 253,763.50 × 56,855.89
  4. Step 4: Simplify right side
    169,175.67x = 14,427,948,373.20
  5. Step 5: Solve for x
    x = 14,427,948,373.20/169,175.67
  6. Step 6: Final answer
    x = 85,283.83

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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.