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Finding the Fourth Proportional to 114,251.49, 157,668.68 and 65,826.66

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Solution

The fourth proportional to 114,251.49, 157,668.68 and 65,826.66 is: 90,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,251.49 : 157,668.68 = 65,826.66 : x
  2. Step 2: Convert to fraction form
    114,251.49/157,668.68 = 65,826.66/x
  3. Step 3: Cross multiply
    114,251.49x = 157,668.68 × 65,826.66
  4. Step 4: Simplify right side
    114,251.49x = 10,378,802,261.88
  5. Step 5: Solve for x
    x = 10,378,802,261.88/114,251.49
  6. Step 6: Final answer
    x = 90,841.72

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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.