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Finding the Fourth Proportional to 186,063.21, 256,791.75 and 180,996.87

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Solution

The fourth proportional to 186,063.21, 256,791.75 and 180,996.87 is: 249,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,063.21 : 256,791.75 = 180,996.87 : x
  2. Step 2: Convert to fraction form
    186,063.21/256,791.75 = 180,996.87/x
  3. Step 3: Cross multiply
    186,063.21x = 256,791.75 × 180,996.87
  4. Step 4: Simplify right side
    186,063.21x = 46,478,502,991.82
  5. Step 5: Solve for x
    x = 46,478,502,991.82/186,063.21
  6. Step 6: Final answer
    x = 249,799.53

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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.