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Finding the Fourth Proportional to 69,301.64, 103,951.53 and 16,710.69

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Solution

The fourth proportional to 69,301.64, 103,951.53 and 16,710.69 is: 25,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,301.64 : 103,951.53 = 16,710.69 : x
  2. Step 2: Convert to fraction form
    69,301.64/103,951.53 = 16,710.69/x
  3. Step 3: Cross multiply
    69,301.64x = 103,951.53 × 16,710.69
  4. Step 4: Simplify right side
    69,301.64x = 1,737,101,792.86
  5. Step 5: Solve for x
    x = 1,737,101,792.86/69,301.64
  6. Step 6: Final answer
    x = 25,065.81

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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.