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Finding the Fourth Proportional to 156,500.64, 234,767.88 and 49,859.44

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Solution

The fourth proportional to 156,500.64, 234,767.88 and 49,859.44 is: 74,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,500.64 : 234,767.88 = 49,859.44 : x
  2. Step 2: Convert to fraction form
    156,500.64/234,767.88 = 49,859.44/x
  3. Step 3: Cross multiply
    156,500.64x = 234,767.88 × 49,859.44
  4. Step 4: Simplify right side
    156,500.64x = 11,705,395,026.79
  5. Step 5: Solve for x
    x = 11,705,395,026.79/156,500.64
  6. Step 6: Final answer
    x = 74,794.55

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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.