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Finding the Fourth Proportional to 149,846.76, 206,767.62 and 145,814.76

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Solution

The fourth proportional to 149,846.76, 206,767.62 and 145,814.76 is: 201,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,846.76 : 206,767.62 = 145,814.76 : x
  2. Step 2: Convert to fraction form
    149,846.76/206,767.62 = 145,814.76/x
  3. Step 3: Cross multiply
    149,846.76x = 206,767.62 × 145,814.76
  4. Step 4: Simplify right side
    149,846.76x = 30,149,770,886.07
  5. Step 5: Solve for x
    x = 30,149,770,886.07/149,846.76
  6. Step 6: Final answer
    x = 201,204.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.