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Finding the Fourth Proportional to 226,902, 340,508.52 and 79,158

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Solution

The fourth proportional to 226,902, 340,508.52 and 79,158 is: 118,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,902 : 340,508.52 = 79,158 : x
  2. Step 2: Convert to fraction form
    226,902/340,508.52 = 79,158/x
  3. Step 3: Cross multiply
    226,902x = 340,508.52 × 79,158
  4. Step 4: Simplify right side
    226,902x = 26,953,973,426.16
  5. Step 5: Solve for x
    x = 26,953,973,426.16/226,902
  6. Step 6: Final answer
    x = 118,791.26

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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.