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Finding the Fourth Proportional to 240,998.49, 361,142.52 and 134,235.48

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Solution

The fourth proportional to 240,998.49, 361,142.52 and 134,235.48 is: 201,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,998.49 : 361,142.52 = 134,235.48 : x
  2. Step 2: Convert to fraction form
    240,998.49/361,142.52 = 134,235.48/x
  3. Step 3: Cross multiply
    240,998.49x = 361,142.52 × 134,235.48
  4. Step 4: Simplify right side
    240,998.49x = 48,478,137,043.72
  5. Step 5: Solve for x
    x = 48,478,137,043.72/240,998.49
  6. Step 6: Final answer
    x = 201,155.36

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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.