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Finding the Fourth Proportional to 73,696.24, 101,700.90 and 40,162.24

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Solution

The fourth proportional to 73,696.24, 101,700.90 and 40,162.24 is: 55,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,696.24 : 101,700.90 = 40,162.24 : x
  2. Step 2: Convert to fraction form
    73,696.24/101,700.90 = 40,162.24/x
  3. Step 3: Cross multiply
    73,696.24x = 101,700.90 × 40,162.24
  4. Step 4: Simplify right side
    73,696.24x = 4,084,535,954.02
  5. Step 5: Solve for x
    x = 4,084,535,954.02/73,696.24
  6. Step 6: Final answer
    x = 55,423.94

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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.