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Finding the Fourth Proportional to 183,138.66, 274,801.75 and 87,184.47

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Solution

The fourth proportional to 183,138.66, 274,801.75 and 87,184.47 is: 130,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,138.66 : 274,801.75 = 87,184.47 : x
  2. Step 2: Convert to fraction form
    183,138.66/274,801.75 = 87,184.47/x
  3. Step 3: Cross multiply
    183,138.66x = 274,801.75 × 87,184.47
  4. Step 4: Simplify right side
    183,138.66x = 23,958,444,710.86
  5. Step 5: Solve for x
    x = 23,958,444,710.86/183,138.66
  6. Step 6: Final answer
    x = 130,821.34

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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.