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Finding the Fourth Proportional to 176,387.80, 264,581.70 and 141,395.80

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Solution

The fourth proportional to 176,387.80, 264,581.70 and 141,395.80 is: 212,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,387.80 : 264,581.70 = 141,395.80 : x
  2. Step 2: Convert to fraction form
    176,387.80/264,581.70 = 141,395.80/x
  3. Step 3: Cross multiply
    176,387.80x = 264,581.70 × 141,395.80
  4. Step 4: Simplify right side
    176,387.80x = 37,410,741,136.86
  5. Step 5: Solve for x
    x = 37,410,741,136.86/176,387.80
  6. Step 6: Final answer
    x = 212,093.70

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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.