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Finding the Fourth Proportional to 169,126.53, 253,701.63 and 67,924.59

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Solution

The fourth proportional to 169,126.53, 253,701.63 and 67,924.59 is: 101,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,126.53 : 253,701.63 = 67,924.59 : x
  2. Step 2: Convert to fraction form
    169,126.53/253,701.63 = 67,924.59/x
  3. Step 3: Cross multiply
    169,126.53x = 253,701.63 × 67,924.59
  4. Step 4: Simplify right side
    169,126.53x = 17,232,579,200.08
  5. Step 5: Solve for x
    x = 17,232,579,200.08/169,126.53
  6. Step 6: Final answer
    x = 101,891.64

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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.