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Finding the Fourth Proportional to 177,793.60, 266,690.40 and 72,558.40

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Solution

The fourth proportional to 177,793.60, 266,690.40 and 72,558.40 is: 108,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,793.60 : 266,690.40 = 72,558.40 : x
  2. Step 2: Convert to fraction form
    177,793.60/266,690.40 = 72,558.40/x
  3. Step 3: Cross multiply
    177,793.60x = 266,690.40 × 72,558.40
  4. Step 4: Simplify right side
    177,793.60x = 19,350,628,719.36
  5. Step 5: Solve for x
    x = 19,350,628,719.36/177,793.60
  6. Step 6: Final answer
    x = 108,837.60

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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.