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Finding the Fourth Proportional to 66,080.38, 99,119.70 and 16,160.89

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Solution

The fourth proportional to 66,080.38, 99,119.70 and 16,160.89 is: 24,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,080.38 : 99,119.70 = 16,160.89 : x
  2. Step 2: Convert to fraction form
    66,080.38/99,119.70 = 16,160.89/x
  3. Step 3: Cross multiply
    66,080.38x = 99,119.70 × 16,160.89
  4. Step 4: Simplify right side
    66,080.38x = 1,601,862,568.53
  5. Step 5: Solve for x
    x = 1,601,862,568.53/66,080.38
  6. Step 6: Final answer
    x = 24,241.12

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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.