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Finding the Fourth Proportional to 141,524.70, 195,297.03 and 77,860.86

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Solution

The fourth proportional to 141,524.70, 195,297.03 and 77,860.86 is: 107,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,524.70 : 195,297.03 = 77,860.86 : x
  2. Step 2: Convert to fraction form
    141,524.70/195,297.03 = 77,860.86/x
  3. Step 3: Cross multiply
    141,524.70x = 195,297.03 × 77,860.86
  4. Step 4: Simplify right side
    141,524.70x = 15,205,994,711.25
  5. Step 5: Solve for x
    x = 15,205,994,711.25/141,524.70
  6. Step 6: Final answer
    x = 107,444.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.