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Finding the Fourth Proportional to 237,959.74, 356,762.07 and 143,167.72

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Solution

The fourth proportional to 237,959.74, 356,762.07 and 143,167.72 is: 214,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,959.74 : 356,762.07 = 143,167.72 : x
  2. Step 2: Convert to fraction form
    237,959.74/356,762.07 = 143,167.72/x
  3. Step 3: Cross multiply
    237,959.74x = 356,762.07 × 143,167.72
  4. Step 4: Simplify right side
    237,959.74x = 51,076,811,921.40
  5. Step 5: Solve for x
    x = 51,076,811,921.40/237,959.74
  6. Step 6: Final answer
    x = 214,644.76

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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.