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Finding the Fourth Proportional to 119,559.48, 164,996.48 and 74,262.44

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Solution

The fourth proportional to 119,559.48, 164,996.48 and 74,262.44 is: 102,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,559.48 : 164,996.48 = 74,262.44 : x
  2. Step 2: Convert to fraction form
    119,559.48/164,996.48 = 74,262.44/x
  3. Step 3: Cross multiply
    119,559.48x = 164,996.48 × 74,262.44
  4. Step 4: Simplify right side
    119,559.48x = 12,253,041,196.21
  5. Step 5: Solve for x
    x = 12,253,041,196.21/119,559.48
  6. Step 6: Final answer
    x = 102,484.90

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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.