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Finding the Fourth Proportional to 246,382.92, 340,061.22 and 155,681.28

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Solution

The fourth proportional to 246,382.92, 340,061.22 and 155,681.28 is: 214,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,382.92 : 340,061.22 = 155,681.28 : x
  2. Step 2: Convert to fraction form
    246,382.92/340,061.22 = 155,681.28/x
  3. Step 3: Cross multiply
    246,382.92x = 340,061.22 × 155,681.28
  4. Step 4: Simplify right side
    246,382.92x = 52,941,166,007.96
  5. Step 5: Solve for x
    x = 52,941,166,007.96/246,382.92
  6. Step 6: Final answer
    x = 214,873.52

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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.