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Finding the Fourth Proportional to 119,899.66, 165,460.58 and 66,184.66

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Solution

The fourth proportional to 119,899.66, 165,460.58 and 66,184.66 is: 91,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,899.66 : 165,460.58 = 66,184.66 : x
  2. Step 2: Convert to fraction form
    119,899.66/165,460.58 = 66,184.66/x
  3. Step 3: Cross multiply
    119,899.66x = 165,460.58 × 66,184.66
  4. Step 4: Simplify right side
    119,899.66x = 10,950,952,230.70
  5. Step 5: Solve for x
    x = 10,950,952,230.70/119,899.66
  6. Step 6: Final answer
    x = 91,334.31

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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.