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Finding the Fourth Proportional to 69,296.27, 103,862.91 and 31,301.19

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Solution

The fourth proportional to 69,296.27, 103,862.91 and 31,301.19 is: 46,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,296.27 : 103,862.91 = 31,301.19 : x
  2. Step 2: Convert to fraction form
    69,296.27/103,862.91 = 31,301.19/x
  3. Step 3: Cross multiply
    69,296.27x = 103,862.91 × 31,301.19
  4. Step 4: Simplify right side
    69,296.27x = 3,251,033,045.34
  5. Step 5: Solve for x
    x = 3,251,033,045.34/69,296.27
  6. Step 6: Final answer
    x = 46,914.98

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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.