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Finding the Fourth Proportional to 160,491.66, 240,736.90 and 48,171.39

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Solution

The fourth proportional to 160,491.66, 240,736.90 and 48,171.39 is: 72,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,491.66 : 240,736.90 = 48,171.39 : x
  2. Step 2: Convert to fraction form
    160,491.66/240,736.90 = 48,171.39/x
  3. Step 3: Cross multiply
    160,491.66x = 240,736.90 × 48,171.39
  4. Step 4: Simplify right side
    160,491.66x = 11,596,630,375.02
  5. Step 5: Solve for x
    x = 11,596,630,375.02/160,491.66
  6. Step 6: Final answer
    x = 72,256.90

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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.