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Finding the Fourth Proportional to 173,208.91, 259,820.67 and 54,877.63

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Solution

The fourth proportional to 173,208.91, 259,820.67 and 54,877.63 is: 82,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,208.91 : 259,820.67 = 54,877.63 : x
  2. Step 2: Convert to fraction form
    173,208.91/259,820.67 = 54,877.63/x
  3. Step 3: Cross multiply
    173,208.91x = 259,820.67 × 54,877.63
  4. Step 4: Simplify right side
    173,208.91x = 14,258,342,594.61
  5. Step 5: Solve for x
    x = 14,258,342,594.61/173,208.91
  6. Step 6: Final answer
    x = 82,318.76

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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.