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Finding the Fourth Proportional to 248,745.25, 343,277.71 and 141,333.48

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Solution

The fourth proportional to 248,745.25, 343,277.71 and 141,333.48 is: 195,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,745.25 : 343,277.71 = 141,333.48 : x
  2. Step 2: Convert to fraction form
    248,745.25/343,277.71 = 141,333.48/x
  3. Step 3: Cross multiply
    248,745.25x = 343,277.71 × 141,333.48
  4. Step 4: Simplify right side
    248,745.25x = 48,516,633,360.73
  5. Step 5: Solve for x
    x = 48,516,633,360.73/248,745.25
  6. Step 6: Final answer
    x = 195,045.47

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1.5x scale

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.