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Finding the Fourth Proportional to 134,563.80, 201,327.30 and 87,907.80

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Solution

The fourth proportional to 134,563.80, 201,327.30 and 87,907.80 is: 131,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,563.80 : 201,327.30 = 87,907.80 : x
  2. Step 2: Convert to fraction form
    134,563.80/201,327.30 = 87,907.80/x
  3. Step 3: Cross multiply
    134,563.80x = 201,327.30 × 87,907.80
  4. Step 4: Simplify right side
    134,563.80x = 17,698,240,022.94
  5. Step 5: Solve for x
    x = 17,698,240,022.94/134,563.80
  6. Step 6: Final answer
    x = 131,523.04

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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.