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Finding the Fourth Proportional to 118,594.40, 177,950.03 and 55,418.87

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Solution

The fourth proportional to 118,594.40, 177,950.03 and 55,418.87 is: 83,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,594.40 : 177,950.03 = 55,418.87 : x
  2. Step 2: Convert to fraction form
    118,594.40/177,950.03 = 55,418.87/x
  3. Step 3: Cross multiply
    118,594.40x = 177,950.03 × 55,418.87
  4. Step 4: Simplify right side
    118,594.40x = 9,861,789,746.85
  5. Step 5: Solve for x
    x = 9,861,789,746.85/118,594.40
  6. Step 6: Final answer
    x = 83,155.61

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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.