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Finding the Fourth Proportional to 132,036.36, 198,040.50 and 37,264.20

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Solution

The fourth proportional to 132,036.36, 198,040.50 and 37,264.20 is: 55,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,036.36 : 198,040.50 = 37,264.20 : x
  2. Step 2: Convert to fraction form
    132,036.36/198,040.50 = 37,264.20/x
  3. Step 3: Cross multiply
    132,036.36x = 198,040.50 × 37,264.20
  4. Step 4: Simplify right side
    132,036.36x = 7,379,820,800.10
  5. Step 5: Solve for x
    x = 7,379,820,800.10/132,036.36
  6. Step 6: Final answer
    x = 55,892.34

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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.