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Finding the Fourth Proportional to 175,784.80, 263,612.40 and 87,008.80

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Solution

The fourth proportional to 175,784.80, 263,612.40 and 87,008.80 is: 130,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,784.80 : 263,612.40 = 87,008.80 : x
  2. Step 2: Convert to fraction form
    175,784.80/263,612.40 = 87,008.80/x
  3. Step 3: Cross multiply
    175,784.80x = 263,612.40 × 87,008.80
  4. Step 4: Simplify right side
    175,784.80x = 22,936,598,589.12
  5. Step 5: Solve for x
    x = 22,936,598,589.12/175,784.80
  6. Step 6: Final answer
    x = 130,481.13

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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.