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Finding the Fourth Proportional to 169,858.62, 254,824.69 and 51,538.88

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Solution

The fourth proportional to 169,858.62, 254,824.69 and 51,538.88 is: 77,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,858.62 : 254,824.69 = 51,538.88 : x
  2. Step 2: Convert to fraction form
    169,858.62/254,824.69 = 51,538.88/x
  3. Step 3: Cross multiply
    169,858.62x = 254,824.69 × 51,538.88
  4. Step 4: Simplify right side
    169,858.62x = 13,133,377,844.82
  5. Step 5: Solve for x
    x = 13,133,377,844.82/169,858.62
  6. Step 6: Final answer
    x = 77,319.47

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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.