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Finding the Fourth Proportional to 71,955.36, 108,002.16 and 35,045.28

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Solution

The fourth proportional to 71,955.36, 108,002.16 and 35,045.28 is: 52,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,955.36 : 108,002.16 = 35,045.28 : x
  2. Step 2: Convert to fraction form
    71,955.36/108,002.16 = 35,045.28/x
  3. Step 3: Cross multiply
    71,955.36x = 108,002.16 × 35,045.28
  4. Step 4: Simplify right side
    71,955.36x = 3,784,965,937.80
  5. Step 5: Solve for x
    x = 3,784,965,937.80/71,955.36
  6. Step 6: Final answer
    x = 52,601.58

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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.