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Finding the Fourth Proportional to 108,070.94, 162,112.54 and 29,191.44

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Solution

The fourth proportional to 108,070.94, 162,112.54 and 29,191.44 is: 43,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,070.94 : 162,112.54 = 29,191.44 : x
  2. Step 2: Convert to fraction form
    108,070.94/162,112.54 = 29,191.44/x
  3. Step 3: Cross multiply
    108,070.94x = 162,112.54 × 29,191.44
  4. Step 4: Simplify right side
    108,070.94x = 4,732,298,484.66
  5. Step 5: Solve for x
    x = 4,732,298,484.66/108,070.94
  6. Step 6: Final answer
    x = 43,788.82

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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.