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Finding the Fourth Proportional to 199,818.89, 299,846.55 and 73,547.81

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Solution

The fourth proportional to 199,818.89, 299,846.55 and 73,547.81 is: 110,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,818.89 : 299,846.55 = 73,547.81 : x
  2. Step 2: Convert to fraction form
    199,818.89/299,846.55 = 73,547.81/x
  3. Step 3: Cross multiply
    199,818.89x = 299,846.55 × 73,547.81
  4. Step 4: Simplify right side
    199,818.89x = 22,053,057,088.56
  5. Step 5: Solve for x
    x = 22,053,057,088.56/199,818.89
  6. Step 6: Final answer
    x = 110,365.23

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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.