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Finding the Fourth Proportional to 168,611.62, 232,688.73 and 93,164.98

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Solution

The fourth proportional to 168,611.62, 232,688.73 and 93,164.98 is: 128,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,611.62 : 232,688.73 = 93,164.98 : x
  2. Step 2: Convert to fraction form
    168,611.62/232,688.73 = 93,164.98/x
  3. Step 3: Cross multiply
    168,611.62x = 232,688.73 × 93,164.98
  4. Step 4: Simplify right side
    168,611.62x = 21,678,440,876.68
  5. Step 5: Solve for x
    x = 21,678,440,876.68/168,611.62
  6. Step 6: Final answer
    x = 128,570.27

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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.