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Finding the Fourth Proportional to 176,620.90, 264,542.55 and 156,921.70

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Solution

The fourth proportional to 176,620.90, 264,542.55 and 156,921.70 is: 235,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,620.90 : 264,542.55 = 156,921.70 : x
  2. Step 2: Convert to fraction form
    176,620.90/264,542.55 = 156,921.70/x
  3. Step 3: Cross multiply
    176,620.90x = 264,542.55 × 156,921.70
  4. Step 4: Simplify right side
    176,620.90x = 41,512,466,668.34
  5. Step 5: Solve for x
    x = 41,512,466,668.34/176,620.90
  6. Step 6: Final answer
    x = 235,037.11

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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.