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Finding the Fourth Proportional to 277,788.25, 383,327.88 and 163,071.58

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Solution

The fourth proportional to 277,788.25, 383,327.88 and 163,071.58 is: 225,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,788.25 : 383,327.88 = 163,071.58 : x
  2. Step 2: Convert to fraction form
    277,788.25/383,327.88 = 163,071.58/x
  3. Step 3: Cross multiply
    277,788.25x = 383,327.88 × 163,071.58
  4. Step 4: Simplify right side
    277,788.25x = 62,509,883,049.65
  5. Step 5: Solve for x
    x = 62,509,883,049.65/277,788.25
  6. Step 6: Final answer
    x = 225,027.10

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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.