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Finding the Fourth Proportional to 199,818.27, 299,845.62 and 73,547.20

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Solution

The fourth proportional to 199,818.27, 299,845.62 and 73,547.20 is: 110,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,818.27 : 299,845.62 = 73,547.20 : x
  2. Step 2: Convert to fraction form
    199,818.27/299,845.62 = 73,547.20/x
  3. Step 3: Cross multiply
    199,818.27x = 299,845.62 × 73,547.20
  4. Step 4: Simplify right side
    199,818.27x = 22,052,805,783.26
  5. Step 5: Solve for x
    x = 22,052,805,783.26/199,818.27
  6. Step 6: Final answer
    x = 110,364.31

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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.