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Finding the Fourth Proportional to 188,943.94, 260,754.43 and 104,060.98

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Solution

The fourth proportional to 188,943.94, 260,754.43 and 104,060.98 is: 143,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,943.94 : 260,754.43 = 104,060.98 : x
  2. Step 2: Convert to fraction form
    188,943.94/260,754.43 = 104,060.98/x
  3. Step 3: Cross multiply
    188,943.94x = 260,754.43 × 104,060.98
  4. Step 4: Simplify right side
    188,943.94x = 27,134,361,525.14
  5. Step 5: Solve for x
    x = 27,134,361,525.14/188,943.94
  6. Step 6: Final answer
    x = 143,610.65

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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.