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Finding the Fourth Proportional to 129,443.56, 194,166.62 and 35,949.80

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Solution

The fourth proportional to 129,443.56, 194,166.62 and 35,949.80 is: 53,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,443.56 : 194,166.62 = 35,949.80 : x
  2. Step 2: Convert to fraction form
    129,443.56/194,166.62 = 35,949.80/x
  3. Step 3: Cross multiply
    129,443.56x = 194,166.62 × 35,949.80
  4. Step 4: Simplify right side
    129,443.56x = 6,980,251,155.68
  5. Step 5: Solve for x
    x = 6,980,251,155.68/129,443.56
  6. Step 6: Final answer
    x = 53,925.06

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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.