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Finding the Fourth Proportional to 160,974.36, 241,698.48 and 90,035.96

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Solution

The fourth proportional to 160,974.36, 241,698.48 and 90,035.96 is: 135,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,974.36 : 241,698.48 = 90,035.96 : x
  2. Step 2: Convert to fraction form
    160,974.36/241,698.48 = 90,035.96/x
  3. Step 3: Cross multiply
    160,974.36x = 241,698.48 × 90,035.96
  4. Step 4: Simplify right side
    160,974.36x = 21,761,554,677.34
  5. Step 5: Solve for x
    x = 21,761,554,677.34/160,974.36
  6. Step 6: Final answer
    x = 135,186.46

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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.