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Finding the Fourth Proportional to 248,995.62, 343,640.54 and 152,256.17

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Solution

The fourth proportional to 248,995.62, 343,640.54 and 152,256.17 is: 210,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,995.62 : 343,640.54 = 152,256.17 : x
  2. Step 2: Convert to fraction form
    248,995.62/343,640.54 = 152,256.17/x
  3. Step 3: Cross multiply
    248,995.62x = 343,640.54 × 152,256.17
  4. Step 4: Simplify right side
    248,995.62x = 52,321,393,716.87
  5. Step 5: Solve for x
    x = 52,321,393,716.87/248,995.62
  6. Step 6: Final answer
    x = 210,129.78

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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.