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Finding the Fourth Proportional to 177,780.80, 266,671.20 and 44,665.40

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Solution

The fourth proportional to 177,780.80, 266,671.20 and 44,665.40 is: 66,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,780.80 : 266,671.20 = 44,665.40 : x
  2. Step 2: Convert to fraction form
    177,780.80/266,671.20 = 44,665.40/x
  3. Step 3: Cross multiply
    177,780.80x = 266,671.20 × 44,665.40
  4. Step 4: Simplify right side
    177,780.80x = 11,910,975,816.48
  5. Step 5: Solve for x
    x = 11,910,975,816.48/177,780.80
  6. Step 6: Final answer
    x = 66,998.10

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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.