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Finding the Fourth Proportional to 271,955.48, 375,290.42 and 149,448.24

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Solution

The fourth proportional to 271,955.48, 375,290.42 and 149,448.24 is: 206,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,955.48 : 375,290.42 = 149,448.24 : x
  2. Step 2: Convert to fraction form
    271,955.48/375,290.42 = 149,448.24/x
  3. Step 3: Cross multiply
    271,955.48x = 375,290.42 × 149,448.24
  4. Step 4: Simplify right side
    271,955.48x = 56,086,492,010.62
  5. Step 5: Solve for x
    x = 56,086,492,010.62/271,955.48
  6. Step 6: Final answer
    x = 206,234.10

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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.