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Finding the Fourth Proportional to 255,039.66, 351,956.70 and 159,600.60

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Solution

The fourth proportional to 255,039.66, 351,956.70 and 159,600.60 is: 220,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,039.66 : 351,956.70 = 159,600.60 : x
  2. Step 2: Convert to fraction form
    255,039.66/351,956.70 = 159,600.60/x
  3. Step 3: Cross multiply
    255,039.66x = 351,956.70 × 159,600.60
  4. Step 4: Simplify right side
    255,039.66x = 56,172,500,494.02
  5. Step 5: Solve for x
    x = 56,172,500,494.02/255,039.66
  6. Step 6: Final answer
    x = 220,250.06

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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.