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Finding the Fourth Proportional to 248,377.84, 342,671.74 and 140,885.60

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Solution

The fourth proportional to 248,377.84, 342,671.74 and 140,885.60 is: 194,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,377.84 : 342,671.74 = 140,885.60 : x
  2. Step 2: Convert to fraction form
    248,377.84/342,671.74 = 140,885.60/x
  3. Step 3: Cross multiply
    248,377.84x = 342,671.74 × 140,885.60
  4. Step 4: Simplify right side
    248,377.84x = 48,277,511,627.37
  5. Step 5: Solve for x
    x = 48,277,511,627.37/248,377.84
  6. Step 6: Final answer
    x = 194,371.25

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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.