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Finding the Fourth Proportional to 187,179.57, 280,879.92 and 98,439.93

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Solution

The fourth proportional to 187,179.57, 280,879.92 and 98,439.93 is: 147,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,179.57 : 280,879.92 = 98,439.93 : x
  2. Step 2: Convert to fraction form
    187,179.57/280,879.92 = 98,439.93/x
  3. Step 3: Cross multiply
    187,179.57x = 280,879.92 × 98,439.93
  4. Step 4: Simplify right side
    187,179.57x = 27,649,799,663.21
  5. Step 5: Solve for x
    x = 27,649,799,663.21/187,179.57
  6. Step 6: Final answer
    x = 147,718.04

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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.