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Finding the Fourth Proportional to 151,704.90, 211,993.20 and 151,704.90

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Solution

The fourth proportional to 151,704.90, 211,993.20 and 151,704.90 is: 211,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,704.90 : 211,993.20 = 151,704.90 : x
  2. Step 2: Convert to fraction form
    151,704.90/211,993.20 = 151,704.90/x
  3. Step 3: Cross multiply
    151,704.90x = 211,993.20 × 151,704.90
  4. Step 4: Simplify right side
    151,704.90x = 32,160,407,206.68
  5. Step 5: Solve for x
    x = 32,160,407,206.68/151,704.90
  6. Step 6: Final answer
    x = 211,993.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.