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Finding the Fourth Proportional to 230,435.01, 317,728.31 and 157,872.69

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Solution

The fourth proportional to 230,435.01, 317,728.31 and 157,872.69 is: 217,677.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,435.01 : 317,728.31 = 157,872.69 : x
  2. Step 2: Convert to fraction form
    230,435.01/317,728.31 = 157,872.69/x
  3. Step 3: Cross multiply
    230,435.01x = 317,728.31 × 157,872.69
  4. Step 4: Simplify right side
    230,435.01x = 50,160,622,199.49
  5. Step 5: Solve for x
    x = 50,160,622,199.49/230,435.01
  6. Step 6: Final answer
    x = 217,677.96

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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.