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Finding the Fourth Proportional to 177,240.80, 265,924.72 and 75,996.40

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Solution

The fourth proportional to 177,240.80, 265,924.72 and 75,996.40 is: 114,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,240.80 : 265,924.72 = 75,996.40 : x
  2. Step 2: Convert to fraction form
    177,240.80/265,924.72 = 75,996.40/x
  3. Step 3: Cross multiply
    177,240.80x = 265,924.72 × 75,996.40
  4. Step 4: Simplify right side
    177,240.80x = 20,209,321,391.01
  5. Step 5: Solve for x
    x = 20,209,321,391.01/177,240.80
  6. Step 6: Final answer
    x = 114,021.84

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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.