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Finding the Fourth Proportional to 237,659.45, 327,970.04 and 137,057.45

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Solution

The fourth proportional to 237,659.45, 327,970.04 and 137,057.45 is: 189,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,659.45 : 327,970.04 = 137,057.45 : x
  2. Step 2: Convert to fraction form
    237,659.45/327,970.04 = 137,057.45/x
  3. Step 3: Cross multiply
    237,659.45x = 327,970.04 × 137,057.45
  4. Step 4: Simplify right side
    237,659.45x = 44,950,735,033.66
  5. Step 5: Solve for x
    x = 44,950,735,033.66/237,659.45
  6. Step 6: Final answer
    x = 189,139.27

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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.