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Finding the Fourth Proportional to 246,878.54, 370,318.35 and 89,218.34

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Solution

The fourth proportional to 246,878.54, 370,318.35 and 89,218.34 is: 133,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,878.54 : 370,318.35 = 89,218.34 : x
  2. Step 2: Convert to fraction form
    246,878.54/370,318.35 = 89,218.34/x
  3. Step 3: Cross multiply
    246,878.54x = 370,318.35 × 89,218.34
  4. Step 4: Simplify right side
    246,878.54x = 33,039,188,458.54
  5. Step 5: Solve for x
    x = 33,039,188,458.54/246,878.54
  6. Step 6: Final answer
    x = 133,827.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.