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Finding the Fourth Proportional to 168,833, 232,996.86 and 93,381.56

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Solution

The fourth proportional to 168,833, 232,996.86 and 93,381.56 is: 128,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,833 : 232,996.86 = 93,381.56 : x
  2. Step 2: Convert to fraction form
    168,833/232,996.86 = 93,381.56/x
  3. Step 3: Cross multiply
    168,833x = 232,996.86 × 93,381.56
  4. Step 4: Simplify right side
    168,833x = 21,757,610,261.90
  5. Step 5: Solve for x
    x = 21,757,610,261.90/168,833
  6. Step 6: Final answer
    x = 128,870.60

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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.