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Finding the Fourth Proportional to 173,335.55, 259,824.93 and 84,479.10

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Solution

The fourth proportional to 173,335.55, 259,824.93 and 84,479.10 is: 126,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,335.55 : 259,824.93 = 84,479.10 : x
  2. Step 2: Convert to fraction form
    173,335.55/259,824.93 = 84,479.10/x
  3. Step 3: Cross multiply
    173,335.55x = 259,824.93 × 84,479.10
  4. Step 4: Simplify right side
    173,335.55x = 21,949,776,243.96
  5. Step 5: Solve for x
    x = 21,949,776,243.96/173,335.55
  6. Step 6: Final answer
    x = 126,631.71

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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.