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Finding the Fourth Proportional to 252,086.75, 347,875.22 and 137,366.21

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Solution

The fourth proportional to 252,086.75, 347,875.22 and 137,366.21 is: 189,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,086.75 : 347,875.22 = 137,366.21 : x
  2. Step 2: Convert to fraction form
    252,086.75/347,875.22 = 137,366.21/x
  3. Step 3: Cross multiply
    252,086.75x = 347,875.22 × 137,366.21
  4. Step 4: Simplify right side
    252,086.75x = 47,786,301,737.42
  5. Step 5: Solve for x
    x = 47,786,301,737.42/252,086.75
  6. Step 6: Final answer
    x = 189,562.93

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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.