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Finding the Fourth Proportional to 119,897.96, 165,460.52 and 66,183.01

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Solution

The fourth proportional to 119,897.96, 165,460.52 and 66,183.01 is: 91,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,897.96 : 165,460.52 = 66,183.01 : x
  2. Step 2: Convert to fraction form
    119,897.96/165,460.52 = 66,183.01/x
  3. Step 3: Cross multiply
    119,897.96x = 165,460.52 × 66,183.01
  4. Step 4: Simplify right side
    119,897.96x = 10,950,675,001.57
  5. Step 5: Solve for x
    x = 10,950,675,001.57/119,897.96
  6. Step 6: Final answer
    x = 91,333.29

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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.