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Finding the Fourth Proportional to 99,167.93, 136,854.12 and 53,847.83

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Solution

The fourth proportional to 99,167.93, 136,854.12 and 53,847.83 is: 74,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,167.93 : 136,854.12 = 53,847.83 : x
  2. Step 2: Convert to fraction form
    99,167.93/136,854.12 = 53,847.83/x
  3. Step 3: Cross multiply
    99,167.93x = 136,854.12 × 53,847.83
  4. Step 4: Simplify right side
    99,167.93x = 7,369,297,388.56
  5. Step 5: Solve for x
    x = 7,369,297,388.56/99,167.93
  6. Step 6: Final answer
    x = 74,311.30

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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.