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Finding the Fourth Proportional to 368,347.74, 552,466.92 and 102,080.49

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Solution

The fourth proportional to 368,347.74, 552,466.92 and 102,080.49 is: 153,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,347.74 : 552,466.92 = 102,080.49 : x
  2. Step 2: Convert to fraction form
    368,347.74/552,466.92 = 102,080.49/x
  3. Step 3: Cross multiply
    368,347.74x = 552,466.92 × 102,080.49
  4. Step 4: Simplify right side
    368,347.74x = 56,396,093,902.39
  5. Step 5: Solve for x
    x = 56,396,093,902.39/368,347.74
  6. Step 6: Final answer
    x = 153,105.58

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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.