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Finding the Fourth Proportional to 344,726.44, 517,074.62 and 108,063.72

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Solution

The fourth proportional to 344,726.44, 517,074.62 and 108,063.72 is: 162,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,726.44 : 517,074.62 = 108,063.72 : x
  2. Step 2: Convert to fraction form
    344,726.44/517,074.62 = 108,063.72/x
  3. Step 3: Cross multiply
    344,726.44x = 517,074.62 × 108,063.72
  4. Step 4: Simplify right side
    344,726.44x = 55,877,006,954.79
  5. Step 5: Solve for x
    x = 55,877,006,954.79/344,726.44
  6. Step 6: Final answer
    x = 162,090.87

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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.