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Finding the Fourth Proportional to 203,869.90, 304,820.70 and 150,725.80

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Solution

The fourth proportional to 203,869.90, 304,820.70 and 150,725.80 is: 225,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,869.90 : 304,820.70 = 150,725.80 : x
  2. Step 2: Convert to fraction form
    203,869.90/304,820.70 = 150,725.80/x
  3. Step 3: Cross multiply
    203,869.90x = 304,820.70 × 150,725.80
  4. Step 4: Simplify right side
    203,869.90x = 45,944,343,864.06
  5. Step 5: Solve for x
    x = 45,944,343,864.06/203,869.90
  6. Step 6: Final answer
    x = 225,361.09

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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.