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Finding the Fourth Proportional to 248,924.55, 343,546.74 and 152,108.49

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Solution

The fourth proportional to 248,924.55, 343,546.74 and 152,108.49 is: 209,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,924.55 : 343,546.74 = 152,108.49 : x
  2. Step 2: Convert to fraction form
    248,924.55/343,546.74 = 152,108.49/x
  3. Step 3: Cross multiply
    248,924.55x = 343,546.74 × 152,108.49
  4. Step 4: Simplify right side
    248,924.55x = 52,256,375,865.82
  5. Step 5: Solve for x
    x = 52,256,375,865.82/248,924.55
  6. Step 6: Final answer
    x = 209,928.57

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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.