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Finding the Fourth Proportional to 156,593.75, 234,929.64 and 45,785.75

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Solution

The fourth proportional to 156,593.75, 234,929.64 and 45,785.75 is: 68,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,593.75 : 234,929.64 = 45,785.75 : x
  2. Step 2: Convert to fraction form
    156,593.75/234,929.64 = 45,785.75/x
  3. Step 3: Cross multiply
    156,593.75x = 234,929.64 × 45,785.75
  4. Step 4: Simplify right side
    156,593.75x = 10,756,429,764.63
  5. Step 5: Solve for x
    x = 10,756,429,764.63/156,593.75
  6. Step 6: Final answer
    x = 68,690.03

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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.