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Finding the Fourth Proportional to 344,871.09, 517,328.50 and 108,223.11

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Solution

The fourth proportional to 344,871.09, 517,328.50 and 108,223.11 is: 162,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,871.09 : 517,328.50 = 108,223.11 : x
  2. Step 2: Convert to fraction form
    344,871.09/517,328.50 = 108,223.11/x
  3. Step 3: Cross multiply
    344,871.09x = 517,328.50 × 108,223.11
  4. Step 4: Simplify right side
    344,871.09x = 55,986,899,161.64
  5. Step 5: Solve for x
    x = 55,986,899,161.64/344,871.09
  6. Step 6: Final answer
    x = 162,341.53

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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.