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Finding the Fourth Proportional to 164,488.56, 246,695.93 and 75,656.73

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Solution

The fourth proportional to 164,488.56, 246,695.93 and 75,656.73 is: 113,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,488.56 : 246,695.93 = 75,656.73 : x
  2. Step 2: Convert to fraction form
    164,488.56/246,695.93 = 75,656.73/x
  3. Step 3: Cross multiply
    164,488.56x = 246,695.93 × 75,656.73
  4. Step 4: Simplify right side
    164,488.56x = 18,664,208,198.65
  5. Step 5: Solve for x
    x = 18,664,208,198.65/164,488.56
  6. Step 6: Final answer
    x = 113,468.13

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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.