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Finding the Fourth Proportional to 343,977.76, 515,969.52 and 94,673.44

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Solution

The fourth proportional to 343,977.76, 515,969.52 and 94,673.44 is: 142,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,977.76 : 515,969.52 = 94,673.44 : x
  2. Step 2: Convert to fraction form
    343,977.76/515,969.52 = 94,673.44/x
  3. Step 3: Cross multiply
    343,977.76x = 515,969.52 × 94,673.44
  4. Step 4: Simplify right side
    343,977.76x = 48,848,609,393.55
  5. Step 5: Solve for x
    x = 48,848,609,393.55/343,977.76
  6. Step 6: Final answer
    x = 142,010.95

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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.