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Finding the Fourth Proportional to 246,617.28, 369,928.49 and 86,697.69

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Solution

The fourth proportional to 246,617.28, 369,928.49 and 86,697.69 is: 130,047.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,617.28 : 369,928.49 = 86,697.69 : x
  2. Step 2: Convert to fraction form
    246,617.28/369,928.49 = 86,697.69/x
  3. Step 3: Cross multiply
    246,617.28x = 369,928.49 × 86,697.69
  4. Step 4: Simplify right side
    246,617.28x = 32,071,945,991.19
  5. Step 5: Solve for x
    x = 32,071,945,991.19/246,617.28
  6. Step 6: Final answer
    x = 130,047.44

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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.