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Finding the Fourth Proportional to 104,068.35, 143,627.04 and 63,787.86

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Solution

The fourth proportional to 104,068.35, 143,627.04 and 63,787.86 is: 88,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,068.35 : 143,627.04 = 63,787.86 : x
  2. Step 2: Convert to fraction form
    104,068.35/143,627.04 = 63,787.86/x
  3. Step 3: Cross multiply
    104,068.35x = 143,627.04 × 63,787.86
  4. Step 4: Simplify right side
    104,068.35x = 9,161,661,519.73
  5. Step 5: Solve for x
    x = 9,161,661,519.73/104,068.35
  6. Step 6: Final answer
    x = 88,035.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.