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Finding the Fourth Proportional to 237,803.77, 328,169.11 and 130,371.50

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Solution

The fourth proportional to 237,803.77, 328,169.11 and 130,371.50 is: 179,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,803.77 : 328,169.11 = 130,371.50 : x
  2. Step 2: Convert to fraction form
    237,803.77/328,169.11 = 130,371.50/x
  3. Step 3: Cross multiply
    237,803.77x = 328,169.11 × 130,371.50
  4. Step 4: Simplify right side
    237,803.77x = 42,783,899,124.37
  5. Step 5: Solve for x
    x = 42,783,899,124.37/237,803.77
  6. Step 6: Final answer
    x = 179,912.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.