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Finding the Fourth Proportional to 255,081.68, 351,917.64 and 159,552.08

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Solution

The fourth proportional to 255,081.68, 351,917.64 and 159,552.08 is: 220,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,081.68 : 351,917.64 = 159,552.08 : x
  2. Step 2: Convert to fraction form
    255,081.68/351,917.64 = 159,552.08/x
  3. Step 3: Cross multiply
    255,081.68x = 351,917.64 × 159,552.08
  4. Step 4: Simplify right side
    255,081.68x = 56,149,191,450.69
  5. Step 5: Solve for x
    x = 56,149,191,450.69/255,081.68
  6. Step 6: Final answer
    x = 220,122.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.