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Finding the Fourth Proportional to 265,531.59, 366,266.21 and 158,021.37

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Solution

The fourth proportional to 265,531.59, 366,266.21 and 158,021.37 is: 217,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,531.59 : 366,266.21 = 158,021.37 : x
  2. Step 2: Convert to fraction form
    265,531.59/366,266.21 = 158,021.37/x
  3. Step 3: Cross multiply
    265,531.59x = 366,266.21 × 158,021.37
  4. Step 4: Simplify right side
    265,531.59x = 57,877,887,498.80
  5. Step 5: Solve for x
    x = 57,877,887,498.80/265,531.59
  6. Step 6: Final answer
    x = 217,969.88

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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.