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Finding the Fourth Proportional to 130,443.88, 195,704.86 and 75,001

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Solution

The fourth proportional to 130,443.88, 195,704.86 and 75,001 is: 112,523.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,443.88 : 195,704.86 = 75,001 : x
  2. Step 2: Convert to fraction form
    130,443.88/195,704.86 = 75,001/x
  3. Step 3: Cross multiply
    130,443.88x = 195,704.86 × 75,001
  4. Step 4: Simplify right side
    130,443.88x = 14,678,060,204.86
  5. Step 5: Solve for x
    x = 14,678,060,204.86/130,443.88
  6. Step 6: Final answer
    x = 112,523.95

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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.