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Finding the Fourth Proportional to 116,370.66, 160,591.67 and 66,069.66

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Solution

The fourth proportional to 116,370.66, 160,591.67 and 66,069.66 is: 91,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,370.66 : 160,591.67 = 66,069.66 : x
  2. Step 2: Convert to fraction form
    116,370.66/160,591.67 = 66,069.66/x
  3. Step 3: Cross multiply
    116,370.66x = 160,591.67 × 66,069.66
  4. Step 4: Simplify right side
    116,370.66x = 10,610,236,705.38
  5. Step 5: Solve for x
    x = 10,610,236,705.38/116,370.66
  6. Step 6: Final answer
    x = 91,176.22

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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.