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Finding the Fourth Proportional to 246,117.84, 339,727 and 144,176

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Solution

The fourth proportional to 246,117.84, 339,727 and 144,176 is: 199,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,117.84 : 339,727 = 144,176 : x
  2. Step 2: Convert to fraction form
    246,117.84/339,727 = 144,176/x
  3. Step 3: Cross multiply
    246,117.84x = 339,727 × 144,176
  4. Step 4: Simplify right side
    246,117.84x = 48,980,479,952
  5. Step 5: Solve for x
    x = 48,980,479,952/246,117.84
  6. Step 6: Final answer
    x = 199,012.31

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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.