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Finding the Fourth Proportional to 166,285.98, 229,008.15 and 155,613.18

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Solution

The fourth proportional to 166,285.98, 229,008.15 and 155,613.18 is: 214,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,285.98 : 229,008.15 = 155,613.18 : x
  2. Step 2: Convert to fraction form
    166,285.98/229,008.15 = 155,613.18/x
  3. Step 3: Cross multiply
    166,285.98x = 229,008.15 × 155,613.18
  4. Step 4: Simplify right side
    166,285.98x = 35,636,686,467.42
  5. Step 5: Solve for x
    x = 35,636,686,467.42/166,285.98
  6. Step 6: Final answer
    x = 214,309.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.