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Finding the Fourth Proportional to 135,064.70, 202,305.45 and 117,568.70

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Solution

The fourth proportional to 135,064.70, 202,305.45 and 117,568.70 is: 176,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,064.70 : 202,305.45 = 117,568.70 : x
  2. Step 2: Convert to fraction form
    135,064.70/202,305.45 = 117,568.70/x
  3. Step 3: Cross multiply
    135,064.70x = 202,305.45 × 117,568.70
  4. Step 4: Simplify right side
    135,064.70x = 23,784,788,759.42
  5. Step 5: Solve for x
    x = 23,784,788,759.42/135,064.70
  6. Step 6: Final answer
    x = 176,099.22

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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.