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Finding the Fourth Proportional to 199,366.72, 298,803.84 and 171,088.00

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Solution

The fourth proportional to 199,366.72, 298,803.84 and 171,088.00 is: 256,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,366.72 : 298,803.84 = 171,088.00 : x
  2. Step 2: Convert to fraction form
    199,366.72/298,803.84 = 171,088.00/x
  3. Step 3: Cross multiply
    199,366.72x = 298,803.84 × 171,088.00
  4. Step 4: Simplify right side
    199,366.72x = 51,121,749,989.33
  5. Step 5: Solve for x
    x = 51,121,749,989.33/199,366.72
  6. Step 6: Final answer
    x = 256,420.68

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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.