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Finding the Fourth Proportional to 134,433.80, 201,650.70 and 119,918.60

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Solution

The fourth proportional to 134,433.80, 201,650.70 and 119,918.60 is: 179,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,433.80 : 201,650.70 = 119,918.60 : x
  2. Step 2: Convert to fraction form
    134,433.80/201,650.70 = 119,918.60/x
  3. Step 3: Cross multiply
    134,433.80x = 201,650.70 × 119,918.60
  4. Step 4: Simplify right side
    134,433.80x = 24,181,669,633.02
  5. Step 5: Solve for x
    x = 24,181,669,633.02/134,433.80
  6. Step 6: Final answer
    x = 179,877.90

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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.