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Finding the Fourth Proportional to 251,424.40, 377,136.60 and 167,443.60

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Solution

The fourth proportional to 251,424.40, 377,136.60 and 167,443.60 is: 251,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,424.40 : 377,136.60 = 167,443.60 : x
  2. Step 2: Convert to fraction form
    251,424.40/377,136.60 = 167,443.60/x
  3. Step 3: Cross multiply
    251,424.40x = 377,136.60 × 167,443.60
  4. Step 4: Simplify right side
    251,424.40x = 63,149,109,995.76
  5. Step 5: Solve for x
    x = 63,149,109,995.76/251,424.40
  6. Step 6: Final answer
    x = 251,165.40

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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.