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Finding the Fourth Proportional to 277,725.60, 416,588.40 and 67,363.20

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Solution

The fourth proportional to 277,725.60, 416,588.40 and 67,363.20 is: 101,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,725.60 : 416,588.40 = 67,363.20 : x
  2. Step 2: Convert to fraction form
    277,725.60/416,588.40 = 67,363.20/x
  3. Step 3: Cross multiply
    277,725.60x = 416,588.40 × 67,363.20
  4. Step 4: Simplify right side
    277,725.60x = 28,062,727,706.88
  5. Step 5: Solve for x
    x = 28,062,727,706.88/277,725.60
  6. Step 6: Final answer
    x = 101,044.80

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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.