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Finding the Fourth Proportional to 277,787.25, 383,326.50 and 163,070.58

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Solution

The fourth proportional to 277,787.25, 383,326.50 and 163,070.58 is: 225,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,787.25 : 383,326.50 = 163,070.58 : x
  2. Step 2: Convert to fraction form
    277,787.25/383,326.50 = 163,070.58/x
  3. Step 3: Cross multiply
    277,787.25x = 383,326.50 × 163,070.58
  4. Step 4: Simplify right side
    277,787.25x = 62,509,274,684.37
  5. Step 5: Solve for x
    x = 62,509,274,684.37/277,787.25
  6. Step 6: Final answer
    x = 225,025.72

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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.