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Finding the Fourth Proportional to 187,224.64, 280,854.56 and 68,898.24

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Solution

The fourth proportional to 187,224.64, 280,854.56 and 68,898.24 is: 103,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,224.64 : 280,854.56 = 68,898.24 : x
  2. Step 2: Convert to fraction form
    187,224.64/280,854.56 = 68,898.24/x
  3. Step 3: Cross multiply
    187,224.64x = 280,854.56 × 68,898.24
  4. Step 4: Simplify right side
    187,224.64x = 19,350,384,879.97
  5. Step 5: Solve for x
    x = 19,350,384,879.97/187,224.64
  6. Step 6: Final answer
    x = 103,353.84

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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.