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Finding the Fourth Proportional to 248,872.94, 343,444.74 and 141,440.20

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Solution

The fourth proportional to 248,872.94, 343,444.74 and 141,440.20 is: 195,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,872.94 : 343,444.74 = 141,440.20 : x
  2. Step 2: Convert to fraction form
    248,872.94/343,444.74 = 141,440.20/x
  3. Step 3: Cross multiply
    248,872.94x = 343,444.74 × 141,440.20
  4. Step 4: Simplify right side
    248,872.94x = 48,576,892,714.55
  5. Step 5: Solve for x
    x = 48,576,892,714.55/248,872.94
  6. Step 6: Final answer
    x = 195,187.52

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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.