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Finding the Fourth Proportional to 246,856.94, 340,798.16 and 155,071.97

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Solution

The fourth proportional to 246,856.94, 340,798.16 and 155,071.97 is: 214,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,856.94 : 340,798.16 = 155,071.97 : x
  2. Step 2: Convert to fraction form
    246,856.94/340,798.16 = 155,071.97/x
  3. Step 3: Cross multiply
    246,856.94x = 340,798.16 × 155,071.97
  4. Step 4: Simplify right side
    246,856.94x = 52,848,241,569.12
  5. Step 5: Solve for x
    x = 52,848,241,569.12/246,856.94
  6. Step 6: Final answer
    x = 214,084.49

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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.