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Finding the Fourth Proportional to 63,177.40, 94,734.40 and 21,042.67

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Solution

The fourth proportional to 63,177.40, 94,734.40 and 21,042.67 is: 31,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,177.40 : 94,734.40 = 21,042.67 : x
  2. Step 2: Convert to fraction form
    63,177.40/94,734.40 = 21,042.67/x
  3. Step 3: Cross multiply
    63,177.40x = 94,734.40 × 21,042.67
  4. Step 4: Simplify right side
    63,177.40x = 1,993,464,532.62
  5. Step 5: Solve for x
    x = 1,993,464,532.62/63,177.40
  6. Step 6: Final answer
    x = 31,553.44

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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.