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Finding the Fourth Proportional to 69,301.88, 103,951.91 and 16,710.91

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Solution

The fourth proportional to 69,301.88, 103,951.91 and 16,710.91 is: 25,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,301.88 : 103,951.91 = 16,710.91 : x
  2. Step 2: Convert to fraction form
    69,301.88/103,951.91 = 16,710.91/x
  3. Step 3: Cross multiply
    69,301.88x = 103,951.91 × 16,710.91
  4. Step 4: Simplify right side
    69,301.88x = 1,737,130,409.02
  5. Step 5: Solve for x
    x = 1,737,130,409.02/69,301.88
  6. Step 6: Final answer
    x = 25,066.14

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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.