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Finding the Fourth Proportional to 176,467.90, 264,313.05 and 156,768.70

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Solution

The fourth proportional to 176,467.90, 264,313.05 and 156,768.70 is: 234,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,467.90 : 264,313.05 = 156,768.70 : x
  2. Step 2: Convert to fraction form
    176,467.90/264,313.05 = 156,768.70/x
  3. Step 3: Cross multiply
    176,467.90x = 264,313.05 × 156,768.70
  4. Step 4: Simplify right side
    176,467.90x = 41,436,013,241.54
  5. Step 5: Solve for x
    x = 41,436,013,241.54/176,467.90
  6. Step 6: Final answer
    x = 234,807.65

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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.