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Finding the Fourth Proportional to 153,591.66, 230,491.24 and 53,752.71

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Solution

The fourth proportional to 153,591.66, 230,491.24 and 53,752.71 is: 80,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,591.66 : 230,491.24 = 53,752.71 : x
  2. Step 2: Convert to fraction form
    153,591.66/230,491.24 = 53,752.71/x
  3. Step 3: Cross multiply
    153,591.66x = 230,491.24 × 53,752.71
  4. Step 4: Simplify right side
    153,591.66x = 12,389,529,511.22
  5. Step 5: Solve for x
    x = 12,389,529,511.22/153,591.66
  6. Step 6: Final answer
    x = 80,665.38

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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.