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Finding the Fourth Proportional to 248,792.64, 343,321.44 and 141,348.48

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Solution

The fourth proportional to 248,792.64, 343,321.44 and 141,348.48 is: 195,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,792.64 : 343,321.44 = 141,348.48 : x
  2. Step 2: Convert to fraction form
    248,792.64/343,321.44 = 141,348.48/x
  3. Step 3: Cross multiply
    248,792.64x = 343,321.44 × 141,348.48
  4. Step 4: Simplify right side
    248,792.64x = 48,527,963,695.41
  5. Step 5: Solve for x
    x = 48,527,963,695.41/248,792.64
  6. Step 6: Final answer
    x = 195,053.86

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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.