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Finding the Fourth Proportional to 248,937.66, 343,520.46 and 141,492.78

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Solution

The fourth proportional to 248,937.66, 343,520.46 and 141,492.78 is: 195,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,937.66 : 343,520.46 = 141,492.78 : x
  2. Step 2: Convert to fraction form
    248,937.66/343,520.46 = 141,492.78/x
  3. Step 3: Cross multiply
    248,937.66x = 343,520.46 × 141,492.78
  4. Step 4: Simplify right side
    248,937.66x = 48,605,664,872.28
  5. Step 5: Solve for x
    x = 48,605,664,872.28/248,937.66
  6. Step 6: Final answer
    x = 195,252.36

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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.