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Finding the Fourth Proportional to 248,940.49, 343,478.82 and 141,502.06

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Solution

The fourth proportional to 248,940.49, 343,478.82 and 141,502.06 is: 195,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,940.49 : 343,478.82 = 141,502.06 : x
  2. Step 2: Convert to fraction form
    248,940.49/343,478.82 = 141,502.06/x
  3. Step 3: Cross multiply
    248,940.49x = 343,478.82 × 141,502.06
  4. Step 4: Simplify right side
    248,940.49x = 48,602,961,556.35
  5. Step 5: Solve for x
    x = 48,602,961,556.35/248,940.49
  6. Step 6: Final answer
    x = 195,239.28

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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.