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Finding the Fourth Proportional to 176,491.20, 264,736.80 and 141,499.20

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Solution

The fourth proportional to 176,491.20, 264,736.80 and 141,499.20 is: 212,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,491.20 : 264,736.80 = 141,499.20 : x
  2. Step 2: Convert to fraction form
    176,491.20/264,736.80 = 141,499.20/x
  3. Step 3: Cross multiply
    176,491.20x = 264,736.80 × 141,499.20
  4. Step 4: Simplify right side
    176,491.20x = 37,460,045,410.56
  5. Step 5: Solve for x
    x = 37,460,045,410.56/176,491.20
  6. Step 6: Final answer
    x = 212,248.80

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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.