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Finding the Fourth Proportional to 108,673.63, 163,011.58 and 29,787.86

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Solution

The fourth proportional to 108,673.63, 163,011.58 and 29,787.86 is: 44,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,673.63 : 163,011.58 = 29,787.86 : x
  2. Step 2: Convert to fraction form
    108,673.63/163,011.58 = 29,787.86/x
  3. Step 3: Cross multiply
    108,673.63x = 163,011.58 × 29,787.86
  4. Step 4: Simplify right side
    108,673.63x = 4,855,766,456.48
  5. Step 5: Solve for x
    x = 4,855,766,456.48/108,673.63
  6. Step 6: Final answer
    x = 44,682.11

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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.