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Finding the Fourth Proportional to 160,866, 221,995.26 and 93,810.96

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Solution

The fourth proportional to 160,866, 221,995.26 and 93,810.96 is: 129,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,866 : 221,995.26 = 93,810.96 : x
  2. Step 2: Convert to fraction form
    160,866/221,995.26 = 93,810.96/x
  3. Step 3: Cross multiply
    160,866x = 221,995.26 × 93,810.96
  4. Step 4: Simplify right side
    160,866x = 20,825,588,456.05
  5. Step 5: Solve for x
    x = 20,825,588,456.05/160,866
  6. Step 6: Final answer
    x = 129,459.23

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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.