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Finding the Fourth Proportional to 129,833.37, 194,750.06 and 31,337.37

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Solution

The fourth proportional to 129,833.37, 194,750.06 and 31,337.37 is: 47,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,833.37 : 194,750.06 = 31,337.37 : x
  2. Step 2: Convert to fraction form
    129,833.37/194,750.06 = 31,337.37/x
  3. Step 3: Cross multiply
    129,833.37x = 194,750.06 × 31,337.37
  4. Step 4: Simplify right side
    129,833.37x = 6,102,954,531.06
  5. Step 5: Solve for x
    x = 6,102,954,531.06/129,833.37
  6. Step 6: Final answer
    x = 47,006.06

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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.