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Finding the Fourth Proportional to 235,761.94, 353,636.43 and 102,641.95

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Solution

The fourth proportional to 235,761.94, 353,636.43 and 102,641.95 is: 153,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,761.94 : 353,636.43 = 102,641.95 : x
  2. Step 2: Convert to fraction form
    235,761.94/353,636.43 = 102,641.95/x
  3. Step 3: Cross multiply
    235,761.94x = 353,636.43 × 102,641.95
  4. Step 4: Simplify right side
    235,761.94x = 36,297,932,766.24
  5. Step 5: Solve for x
    x = 36,297,932,766.24/235,761.94
  6. Step 6: Final answer
    x = 153,960.10

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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.