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Finding the Fourth Proportional to 177,774.40, 266,661.60 and 114,788.80

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Solution

The fourth proportional to 177,774.40, 266,661.60 and 114,788.80 is: 172,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,774.40 : 266,661.60 = 114,788.80 : x
  2. Step 2: Convert to fraction form
    177,774.40/266,661.60 = 114,788.80/x
  3. Step 3: Cross multiply
    177,774.40x = 266,661.60 × 114,788.80
  4. Step 4: Simplify right side
    177,774.40x = 30,609,765,070.08
  5. Step 5: Solve for x
    x = 30,609,765,070.08/177,774.40
  6. Step 6: Final answer
    x = 172,183.20

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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.