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Finding the Fourth Proportional to 73,694.48, 101,700.36 and 40,162.64

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Solution

The fourth proportional to 73,694.48, 101,700.36 and 40,162.64 is: 55,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,694.48 : 101,700.36 = 40,162.64 : x
  2. Step 2: Convert to fraction form
    73,694.48/101,700.36 = 40,162.64/x
  3. Step 3: Cross multiply
    73,694.48x = 101,700.36 × 40,162.64
  4. Step 4: Simplify right side
    73,694.48x = 4,084,554,946.55
  5. Step 5: Solve for x
    x = 4,084,554,946.55/73,694.48
  6. Step 6: Final answer
    x = 55,425.52

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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.