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Finding the Fourth Proportional to 141,591.84, 195,395.25 and 77,928.27

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Solution

The fourth proportional to 141,591.84, 195,395.25 and 77,928.27 is: 107,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,591.84 : 195,395.25 = 77,928.27 : x
  2. Step 2: Convert to fraction form
    141,591.84/195,395.25 = 77,928.27/x
  3. Step 3: Cross multiply
    141,591.84x = 195,395.25 × 77,928.27
  4. Step 4: Simplify right side
    141,591.84x = 15,226,813,798.72
  5. Step 5: Solve for x
    x = 15,226,813,798.72/141,591.84
  6. Step 6: Final answer
    x = 107,540.19

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1.5x scale

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.