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Finding the Fourth Proportional to 141,710.76, 195,642.18 and 94,028.76

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Solution

The fourth proportional to 141,710.76, 195,642.18 and 94,028.76 is: 129,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,710.76 : 195,642.18 = 94,028.76 : x
  2. Step 2: Convert to fraction form
    141,710.76/195,642.18 = 94,028.76/x
  3. Step 3: Cross multiply
    141,710.76x = 195,642.18 × 94,028.76
  4. Step 4: Simplify right side
    141,710.76x = 18,395,991,589.10
  5. Step 5: Solve for x
    x = 18,395,991,589.10/141,710.76
  6. Step 6: Final answer
    x = 129,813.65

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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.