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Finding the Fourth Proportional to 343,684.97, 515,536.10 and 94,366.25

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Solution

The fourth proportional to 343,684.97, 515,536.10 and 94,366.25 is: 141,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,684.97 : 515,536.10 = 94,366.25 : x
  2. Step 2: Convert to fraction form
    343,684.97/515,536.10 = 94,366.25/x
  3. Step 3: Cross multiply
    343,684.97x = 515,536.10 × 94,366.25
  4. Step 4: Simplify right side
    343,684.97x = 48,649,208,024.79
  5. Step 5: Solve for x
    x = 48,649,208,024.79/343,684.97
  6. Step 6: Final answer
    x = 141,551.75

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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.