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Finding the Fourth Proportional to 344,993.85, 517,512.58 and 108,345.87

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Solution

The fourth proportional to 344,993.85, 517,512.58 and 108,345.87 is: 162,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,993.85 : 517,512.58 = 108,345.87 : x
  2. Step 2: Convert to fraction form
    344,993.85/517,512.58 = 108,345.87/x
  3. Step 3: Cross multiply
    344,993.85x = 517,512.58 × 108,345.87
  4. Step 4: Simplify right side
    344,993.85x = 56,070,350,445.18
  5. Step 5: Solve for x
    x = 56,070,350,445.18/344,993.85
  6. Step 6: Final answer
    x = 162,525.65

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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.