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Finding the Fourth Proportional to 246,047.99, 339,547.41 and 138,619.71

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Solution

The fourth proportional to 246,047.99, 339,547.41 and 138,619.71 is: 191,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,047.99 : 339,547.41 = 138,619.71 : x
  2. Step 2: Convert to fraction form
    246,047.99/339,547.41 = 138,619.71/x
  3. Step 3: Cross multiply
    246,047.99x = 339,547.41 × 138,619.71
  4. Step 4: Simplify right side
    246,047.99x = 47,067,963,505.45
  5. Step 5: Solve for x
    x = 47,067,963,505.45/246,047.99
  6. Step 6: Final answer
    x = 191,295.87

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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.