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Finding the Fourth Proportional to 176,446.70, 264,670.05 and 156,617.90

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Solution

The fourth proportional to 176,446.70, 264,670.05 and 156,617.90 is: 234,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,446.70 : 264,670.05 = 156,617.90 : x
  2. Step 2: Convert to fraction form
    176,446.70/264,670.05 = 156,617.90/x
  3. Step 3: Cross multiply
    176,446.70x = 264,670.05 × 156,617.90
  4. Step 4: Simplify right side
    176,446.70x = 41,452,067,423.90
  5. Step 5: Solve for x
    x = 41,452,067,423.90/176,446.70
  6. Step 6: Final answer
    x = 234,926.85

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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.