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Finding the Fourth Proportional to 122,594.48, 183,891.76 and 39,488.48

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Solution

The fourth proportional to 122,594.48, 183,891.76 and 39,488.48 is: 59,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,594.48 : 183,891.76 = 39,488.48 : x
  2. Step 2: Convert to fraction form
    122,594.48/183,891.76 = 39,488.48/x
  3. Step 3: Cross multiply
    122,594.48x = 183,891.76 × 39,488.48
  4. Step 4: Simplify right side
    122,594.48x = 7,261,606,086.92
  5. Step 5: Solve for x
    x = 7,261,606,086.92/122,594.48
  6. Step 6: Final answer
    x = 59,232.73

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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.