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Finding the Fourth Proportional to 177,377.20, 266,065.80 and 163,963.60

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Solution

The fourth proportional to 177,377.20, 266,065.80 and 163,963.60 is: 245,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,377.20 : 266,065.80 = 163,963.60 : x
  2. Step 2: Convert to fraction form
    177,377.20/266,065.80 = 163,963.60/x
  3. Step 3: Cross multiply
    177,377.20x = 266,065.80 × 163,963.60
  4. Step 4: Simplify right side
    177,377.20x = 43,625,106,404.88
  5. Step 5: Solve for x
    x = 43,625,106,404.88/177,377.20
  6. Step 6: Final answer
    x = 245,945.40

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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.