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Finding the Fourth Proportional to 108,703.98, 163,056.45 and 29,819.10

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Solution

The fourth proportional to 108,703.98, 163,056.45 and 29,819.10 is: 44,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,703.98 : 163,056.45 = 29,819.10 : x
  2. Step 2: Convert to fraction form
    108,703.98/163,056.45 = 29,819.10/x
  3. Step 3: Cross multiply
    108,703.98x = 163,056.45 × 29,819.10
  4. Step 4: Simplify right side
    108,703.98x = 4,862,196,588.20
  5. Step 5: Solve for x
    x = 4,862,196,588.20/108,703.98
  6. Step 6: Final answer
    x = 44,728.78

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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.