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Finding the Fourth Proportional to 108,924.70, 163,365.45 and 52,764.70

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Solution

The fourth proportional to 108,924.70, 163,365.45 and 52,764.70 is: 79,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,924.70 : 163,365.45 = 52,764.70 : x
  2. Step 2: Convert to fraction form
    108,924.70/163,365.45 = 52,764.70/x
  3. Step 3: Cross multiply
    108,924.70x = 163,365.45 × 52,764.70
  4. Step 4: Simplify right side
    108,924.70x = 8,619,928,959.62
  5. Step 5: Solve for x
    x = 8,619,928,959.62/108,924.70
  6. Step 6: Final answer
    x = 79,136.59

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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.