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Finding the Fourth Proportional to 123,053.76, 169,794.36 and 69,326.52

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Solution

The fourth proportional to 123,053.76, 169,794.36 and 69,326.52 is: 95,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,053.76 : 169,794.36 = 69,326.52 : x
  2. Step 2: Convert to fraction form
    123,053.76/169,794.36 = 69,326.52/x
  3. Step 3: Cross multiply
    123,053.76x = 169,794.36 × 69,326.52
  4. Step 4: Simplify right side
    123,053.76x = 11,771,252,094.43
  5. Step 5: Solve for x
    x = 11,771,252,094.43/123,053.76
  6. Step 6: Final answer
    x = 95,659.43

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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.