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Finding the Fourth Proportional to 183,140.66, 274,804.75 and 87,186.47

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Solution

The fourth proportional to 183,140.66, 274,804.75 and 87,186.47 is: 130,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,140.66 : 274,804.75 = 87,186.47 : x
  2. Step 2: Convert to fraction form
    183,140.66/274,804.75 = 87,186.47/x
  3. Step 3: Cross multiply
    183,140.66x = 274,804.75 × 87,186.47
  4. Step 4: Simplify right side
    183,140.66x = 23,959,256,091.73
  5. Step 5: Solve for x
    x = 23,959,256,091.73/183,140.66
  6. Step 6: Final answer
    x = 130,824.34

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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.