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Finding the Fourth Proportional to 277,725.84, 416,584.62 and 67,365.60

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Solution

The fourth proportional to 277,725.84, 416,584.62 and 67,365.60 is: 101,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,725.84 : 416,584.62 = 67,365.60 : x
  2. Step 2: Convert to fraction form
    277,725.84/416,584.62 = 67,365.60/x
  3. Step 3: Cross multiply
    277,725.84x = 416,584.62 × 67,365.60
  4. Step 4: Simplify right side
    277,725.84x = 28,063,472,877.07
  5. Step 5: Solve for x
    x = 28,063,472,877.07/277,725.84
  6. Step 6: Final answer
    x = 101,047.40

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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.