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Finding the Fourth Proportional to 177,367.80, 266,051.70 and 142,375.80

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Solution

The fourth proportional to 177,367.80, 266,051.70 and 142,375.80 is: 213,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,367.80 : 266,051.70 = 142,375.80 : x
  2. Step 2: Convert to fraction form
    177,367.80/266,051.70 = 142,375.80/x
  3. Step 3: Cross multiply
    177,367.80x = 266,051.70 × 142,375.80
  4. Step 4: Simplify right side
    177,367.80x = 37,879,323,628.86
  5. Step 5: Solve for x
    x = 37,879,323,628.86/177,367.80
  6. Step 6: Final answer
    x = 213,563.70

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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.