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Finding the Fourth Proportional to 118,049.50, 177,108.84 and 38,085.84

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Solution

The fourth proportional to 118,049.50, 177,108.84 and 38,085.84 is: 57,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,049.50 : 177,108.84 = 38,085.84 : x
  2. Step 2: Convert to fraction form
    118,049.50/177,108.84 = 38,085.84/x
  3. Step 3: Cross multiply
    118,049.50x = 177,108.84 × 38,085.84
  4. Step 4: Simplify right side
    118,049.50x = 6,745,338,942.83
  5. Step 5: Solve for x
    x = 6,745,338,942.83/118,049.50
  6. Step 6: Final answer
    x = 57,139.92

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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.