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Finding the Fourth Proportional to 129,377.25, 194,065.88 and 35,883

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Solution

The fourth proportional to 129,377.25, 194,065.88 and 35,883 is: 53,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,377.25 : 194,065.88 = 35,883 : x
  2. Step 2: Convert to fraction form
    129,377.25/194,065.88 = 35,883/x
  3. Step 3: Cross multiply
    129,377.25x = 194,065.88 × 35,883
  4. Step 4: Simplify right side
    129,377.25x = 6,963,665,792.63
  5. Step 5: Solve for x
    x = 6,963,665,792.63/129,377.25
  6. Step 6: Final answer
    x = 53,824.50

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1.5x scale

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.