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Finding the Fourth Proportional to 177,734.60, 266,504.70 and 72,434.60

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Solution

The fourth proportional to 177,734.60, 266,504.70 and 72,434.60 is: 108,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,734.60 : 266,504.70 = 72,434.60 : x
  2. Step 2: Convert to fraction form
    177,734.60/266,504.70 = 72,434.60/x
  3. Step 3: Cross multiply
    177,734.60x = 266,504.70 × 72,434.60
  4. Step 4: Simplify right side
    177,734.60x = 19,304,161,342.62
  5. Step 5: Solve for x
    x = 19,304,161,342.62/177,734.60
  6. Step 6: Final answer
    x = 108,612.29

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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.