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Finding the Fourth Proportional to 103,560.92, 155,339.78 and 46,594.58

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Solution

The fourth proportional to 103,560.92, 155,339.78 and 46,594.58 is: 69,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,560.92 : 155,339.78 = 46,594.58 : x
  2. Step 2: Convert to fraction form
    103,560.92/155,339.78 = 46,594.58/x
  3. Step 3: Cross multiply
    103,560.92x = 155,339.78 × 46,594.58
  4. Step 4: Simplify right side
    103,560.92x = 7,237,991,806.39
  5. Step 5: Solve for x
    x = 7,237,991,806.39/103,560.92
  6. Step 6: Final answer
    x = 69,891.15

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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.