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Finding the Fourth Proportional to 158,997.84, 237,977.52 and 116,866.80

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Solution

The fourth proportional to 158,997.84, 237,977.52 and 116,866.80 is: 174,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,997.84 : 237,977.52 = 116,866.80 : x
  2. Step 2: Convert to fraction form
    158,997.84/237,977.52 = 116,866.80/x
  3. Step 3: Cross multiply
    158,997.84x = 237,977.52 × 116,866.80
  4. Step 4: Simplify right side
    158,997.84x = 27,811,671,234.34
  5. Step 5: Solve for x
    x = 27,811,671,234.34/158,997.84
  6. Step 6: Final answer
    x = 174,918.55

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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.