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Finding the Fourth Proportional to 248,023.92, 342,265.86 and 140,603.88

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Solution

The fourth proportional to 248,023.92, 342,265.86 and 140,603.88 is: 194,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,023.92 : 342,265.86 = 140,603.88 : x
  2. Step 2: Convert to fraction form
    248,023.92/342,265.86 = 140,603.88/x
  3. Step 3: Cross multiply
    248,023.92x = 342,265.86 × 140,603.88
  4. Step 4: Simplify right side
    248,023.92x = 48,123,907,907.54
  5. Step 5: Solve for x
    x = 48,123,907,907.54/248,023.92
  6. Step 6: Final answer
    x = 194,029.30

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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.