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Finding the Fourth Proportional to 353,051.01, 487,208.41 and 200,118.11

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Solution

The fourth proportional to 353,051.01, 487,208.41 and 200,118.11 is: 276,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,051.01 : 487,208.41 = 200,118.11 : x
  2. Step 2: Convert to fraction form
    353,051.01/487,208.41 = 200,118.11/x
  3. Step 3: Cross multiply
    353,051.01x = 487,208.41 × 200,118.11
  4. Step 4: Simplify right side
    353,051.01x = 97,499,226,185.31
  5. Step 5: Solve for x
    x = 97,499,226,185.31/353,051.01
  6. Step 6: Final answer
    x = 276,161.87

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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.