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Finding the Fourth Proportional to 160,065.05, 220,827.87 and 92,071.22

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Solution

The fourth proportional to 160,065.05, 220,827.87 and 92,071.22 is: 127,022.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,065.05 : 220,827.87 = 92,071.22 : x
  2. Step 2: Convert to fraction form
    160,065.05/220,827.87 = 92,071.22/x
  3. Step 3: Cross multiply
    160,065.05x = 220,827.87 × 92,071.22
  4. Step 4: Simplify right side
    160,065.05x = 20,331,890,296.76
  5. Step 5: Solve for x
    x = 20,331,890,296.76/160,065.05
  6. Step 6: Final answer
    x = 127,022.68

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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.