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Finding the Fourth Proportional to 134,846.40, 202,269.60 and 119,812.80

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Solution

The fourth proportional to 134,846.40, 202,269.60 and 119,812.80 is: 179,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,846.40 : 202,269.60 = 119,812.80 : x
  2. Step 2: Convert to fraction form
    134,846.40/202,269.60 = 119,812.80/x
  3. Step 3: Cross multiply
    134,846.40x = 202,269.60 × 119,812.80
  4. Step 4: Simplify right side
    134,846.40x = 24,234,487,130.88
  5. Step 5: Solve for x
    x = 24,234,487,130.88/134,846.40
  6. Step 6: Final answer
    x = 179,719.20

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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.