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Finding the Fourth Proportional to 119,367.63, 164,727.27 and 65,656.26

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Solution

The fourth proportional to 119,367.63, 164,727.27 and 65,656.26 is: 90,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,367.63 : 164,727.27 = 65,656.26 : x
  2. Step 2: Convert to fraction form
    119,367.63/164,727.27 = 65,656.26/x
  3. Step 3: Cross multiply
    119,367.63x = 164,727.27 × 65,656.26
  4. Step 4: Simplify right side
    119,367.63x = 10,815,376,468.21
  5. Step 5: Solve for x
    x = 10,815,376,468.21/119,367.63
  6. Step 6: Final answer
    x = 90,605.61

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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.