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Finding the Fourth Proportional to 175,783.80, 263,610.90 and 87,007.80

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Solution

The fourth proportional to 175,783.80, 263,610.90 and 87,007.80 is: 130,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,783.80 : 263,610.90 = 87,007.80 : x
  2. Step 2: Convert to fraction form
    175,783.80/263,610.90 = 87,007.80/x
  3. Step 3: Cross multiply
    175,783.80x = 263,610.90 × 87,007.80
  4. Step 4: Simplify right side
    175,783.80x = 22,936,204,465.02
  5. Step 5: Solve for x
    x = 22,936,204,465.02/175,783.80
  6. Step 6: Final answer
    x = 130,479.63

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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.