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Finding the Fourth Proportional to 344,802.69, 517,209.57 and 108,147.42

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Solution

The fourth proportional to 344,802.69, 517,209.57 and 108,147.42 is: 162,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,802.69 : 517,209.57 = 108,147.42 : x
  2. Step 2: Convert to fraction form
    344,802.69/517,209.57 = 108,147.42/x
  3. Step 3: Cross multiply
    344,802.69x = 517,209.57 × 108,147.42
  4. Step 4: Simplify right side
    344,802.69x = 55,934,880,594.81
  5. Step 5: Solve for x
    x = 55,934,880,594.81/344,802.69
  6. Step 6: Final answer
    x = 162,222.87

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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.