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Finding the Fourth Proportional to 167,270.31, 230,833.34 and 99,300.90

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Solution

The fourth proportional to 167,270.31, 230,833.34 and 99,300.90 is: 137,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,270.31 : 230,833.34 = 99,300.90 : x
  2. Step 2: Convert to fraction form
    167,270.31/230,833.34 = 99,300.90/x
  3. Step 3: Cross multiply
    167,270.31x = 230,833.34 × 99,300.90
  4. Step 4: Simplify right side
    167,270.31x = 22,921,957,915.50
  5. Step 5: Solve for x
    x = 22,921,957,915.50/167,270.31
  6. Step 6: Final answer
    x = 137,035.42

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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.