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Finding the Fourth Proportional to 248,874.94, 343,447.50 and 141,442.20

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Solution

The fourth proportional to 248,874.94, 343,447.50 and 141,442.20 is: 195,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,874.94 : 343,447.50 = 141,442.20 : x
  2. Step 2: Convert to fraction form
    248,874.94/343,447.50 = 141,442.20/x
  3. Step 3: Cross multiply
    248,874.94x = 343,447.50 × 141,442.20
  4. Step 4: Simplify right side
    248,874.94x = 48,577,969,984.50
  5. Step 5: Solve for x
    x = 48,577,969,984.50/248,874.94
  6. Step 6: Final answer
    x = 195,190.28

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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.