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Finding the Fourth Proportional to 156,491.85, 234,678.83 and 56,627.34

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Solution

The fourth proportional to 156,491.85, 234,678.83 and 56,627.34 is: 84,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,491.85 : 234,678.83 = 56,627.34 : x
  2. Step 2: Convert to fraction form
    156,491.85/234,678.83 = 56,627.34/x
  3. Step 3: Cross multiply
    156,491.85x = 234,678.83 × 56,627.34
  4. Step 4: Simplify right side
    156,491.85x = 13,289,237,614.08
  5. Step 5: Solve for x
    x = 13,289,237,614.08/156,491.85
  6. Step 6: Final answer
    x = 84,919.68

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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.