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Finding the Fourth Proportional to 168,696, 232,780.32 and 93,234.24

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Solution

The fourth proportional to 168,696, 232,780.32 and 93,234.24 is: 128,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,696 : 232,780.32 = 93,234.24 : x
  2. Step 2: Convert to fraction form
    168,696/232,780.32 = 93,234.24/x
  3. Step 3: Cross multiply
    168,696x = 232,780.32 × 93,234.24
  4. Step 4: Simplify right side
    168,696x = 21,703,096,222.16
  5. Step 5: Solve for x
    x = 21,703,096,222.16/168,696
  6. Step 6: Final answer
    x = 128,652.11

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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.