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Finding the Fourth Proportional to 199,813.13, 299,837.90 and 73,542.06

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Solution

The fourth proportional to 199,813.13, 299,837.90 and 73,542.06 is: 110,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,813.13 : 299,837.90 = 73,542.06 : x
  2. Step 2: Convert to fraction form
    199,813.13/299,837.90 = 73,542.06/x
  3. Step 3: Cross multiply
    199,813.13x = 299,837.90 × 73,542.06
  4. Step 4: Simplify right side
    199,813.13x = 22,050,697,015.93
  5. Step 5: Solve for x
    x = 22,050,697,015.93/199,813.13
  6. Step 6: Final answer
    x = 110,356.60

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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.