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Finding the Fourth Proportional to 132,892.70, 199,377.45 and 39,400.70

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Solution

The fourth proportional to 132,892.70, 199,377.45 and 39,400.70 is: 59,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,892.70 : 199,377.45 = 39,400.70 : x
  2. Step 2: Convert to fraction form
    132,892.70/199,377.45 = 39,400.70/x
  3. Step 3: Cross multiply
    132,892.70x = 199,377.45 × 39,400.70
  4. Step 4: Simplify right side
    132,892.70x = 7,855,611,094.22
  5. Step 5: Solve for x
    x = 7,855,611,094.22/132,892.70
  6. Step 6: Final answer
    x = 59,112.44

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1.5x scale

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.