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Finding the Fourth Proportional to 73,696.50, 101,701.08 and 40,162.50

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Solution

The fourth proportional to 73,696.50, 101,701.08 and 40,162.50 is: 55,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,696.50 : 101,701.08 = 40,162.50 : x
  2. Step 2: Convert to fraction form
    73,696.50/101,701.08 = 40,162.50/x
  3. Step 3: Cross multiply
    73,696.50x = 101,701.08 × 40,162.50
  4. Step 4: Simplify right side
    73,696.50x = 4,084,569,625.50
  5. Step 5: Solve for x
    x = 4,084,569,625.50/73,696.50
  6. Step 6: Final answer
    x = 55,424.20

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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.