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Finding the Fourth Proportional to 177,474.92, 266,138.46 and 72,222.44

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Solution

The fourth proportional to 177,474.92, 266,138.46 and 72,222.44 is: 108,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,474.92 : 266,138.46 = 72,222.44 : x
  2. Step 2: Convert to fraction form
    177,474.92/266,138.46 = 72,222.44/x
  3. Step 3: Cross multiply
    177,474.92x = 266,138.46 × 72,222.44
  4. Step 4: Simplify right side
    177,474.92x = 19,221,168,959.04
  5. Step 5: Solve for x
    x = 19,221,168,959.04/177,474.92
  6. Step 6: Final answer
    x = 108,303.58

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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.