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Finding the Fourth Proportional to 73,393.09, 110,072.62 and 35,915.50

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Solution

The fourth proportional to 73,393.09, 110,072.62 and 35,915.50 is: 53,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,393.09 : 110,072.62 = 35,915.50 : x
  2. Step 2: Convert to fraction form
    73,393.09/110,072.62 = 35,915.50/x
  3. Step 3: Cross multiply
    73,393.09x = 110,072.62 × 35,915.50
  4. Step 4: Simplify right side
    73,393.09x = 3,953,313,366.10
  5. Step 5: Solve for x
    x = 3,953,313,366.10/73,393.09
  6. Step 6: Final answer
    x = 53,864.93

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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.