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Finding the Fourth Proportional to 271,080.51, 406,868.54 and 138,052.59

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Solution

The fourth proportional to 271,080.51, 406,868.54 and 138,052.59 is: 207,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,080.51 : 406,868.54 = 138,052.59 : x
  2. Step 2: Convert to fraction form
    271,080.51/406,868.54 = 138,052.59/x
  3. Step 3: Cross multiply
    271,080.51x = 406,868.54 × 138,052.59
  4. Step 4: Simplify right side
    271,080.51x = 56,169,255,046.26
  5. Step 5: Solve for x
    x = 56,169,255,046.26/271,080.51
  6. Step 6: Final answer
    x = 207,205.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.