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Finding the Fourth Proportional to 200,699.40, 276,964.98 and 110,056.80

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Solution

The fourth proportional to 200,699.40, 276,964.98 and 110,056.80 is: 151,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,699.40 : 276,964.98 = 110,056.80 : x
  2. Step 2: Convert to fraction form
    200,699.40/276,964.98 = 110,056.80/x
  3. Step 3: Cross multiply
    200,699.40x = 276,964.98 × 110,056.80
  4. Step 4: Simplify right side
    200,699.40x = 30,481,879,410.86
  5. Step 5: Solve for x
    x = 30,481,879,410.86/200,699.40
  6. Step 6: Final answer
    x = 151,878.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.