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Finding the Fourth Proportional to 177,816.40, 266,724.60 and 114,830.80

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Solution

The fourth proportional to 177,816.40, 266,724.60 and 114,830.80 is: 172,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,816.40 : 266,724.60 = 114,830.80 : x
  2. Step 2: Convert to fraction form
    177,816.40/266,724.60 = 114,830.80/x
  3. Step 3: Cross multiply
    177,816.40x = 266,724.60 × 114,830.80
  4. Step 4: Simplify right side
    177,816.40x = 30,628,199,197.68
  5. Step 5: Solve for x
    x = 30,628,199,197.68/177,816.40
  6. Step 6: Final answer
    x = 172,246.20

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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.