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Finding the Fourth Proportional to 255,185.25, 382,653.14 and 154,087.53

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Solution

The fourth proportional to 255,185.25, 382,653.14 and 154,087.53 is: 231,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,185.25 : 382,653.14 = 154,087.53 : x
  2. Step 2: Convert to fraction form
    255,185.25/382,653.14 = 154,087.53/x
  3. Step 3: Cross multiply
    255,185.25x = 382,653.14 × 154,087.53
  4. Step 4: Simplify right side
    255,185.25x = 58,962,076,418.91
  5. Step 5: Solve for x
    x = 58,962,076,418.91/255,185.25
  6. Step 6: Final answer
    x = 231,055.97

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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.