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Finding the Fourth Proportional to 134,456.80, 201,685.20 and 119,941.60

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Solution

The fourth proportional to 134,456.80, 201,685.20 and 119,941.60 is: 179,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,456.80 : 201,685.20 = 119,941.60 : x
  2. Step 2: Convert to fraction form
    134,456.80/201,685.20 = 119,941.60/x
  3. Step 3: Cross multiply
    134,456.80x = 201,685.20 × 119,941.60
  4. Step 4: Simplify right side
    134,456.80x = 24,190,445,584.32
  5. Step 5: Solve for x
    x = 24,190,445,584.32/134,456.80
  6. Step 6: Final answer
    x = 179,912.40

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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.