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Finding the Fourth Proportional to 176,263.70, 264,568.35 and 87,617.30

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Solution

The fourth proportional to 176,263.70, 264,568.35 and 87,617.30 is: 131,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,263.70 : 264,568.35 = 87,617.30 : x
  2. Step 2: Convert to fraction form
    176,263.70/264,568.35 = 87,617.30/x
  3. Step 3: Cross multiply
    176,263.70x = 264,568.35 × 87,617.30
  4. Step 4: Simplify right side
    176,263.70x = 23,180,764,492.46
  5. Step 5: Solve for x
    x = 23,180,764,492.46/176,263.70
  6. Step 6: Final answer
    x = 131,511.85

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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.