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Finding the Fourth Proportional to 134,791.35, 202,187.03 and 103,687.35

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Solution

The fourth proportional to 134,791.35, 202,187.03 and 103,687.35 is: 155,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,791.35 : 202,187.03 = 103,687.35 : x
  2. Step 2: Convert to fraction form
    134,791.35/202,187.03 = 103,687.35/x
  3. Step 3: Cross multiply
    134,791.35x = 202,187.03 × 103,687.35
  4. Step 4: Simplify right side
    134,791.35x = 20,964,236,826.63
  5. Step 5: Solve for x
    x = 20,964,236,826.63/134,791.35
  6. Step 6: Final answer
    x = 155,531.03

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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.