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Finding the Fourth Proportional to 188,943.91, 260,730.64 and 104,060.98

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Solution

The fourth proportional to 188,943.91, 260,730.64 and 104,060.98 is: 143,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,943.91 : 260,730.64 = 104,060.98 : x
  2. Step 2: Convert to fraction form
    188,943.91/260,730.64 = 104,060.98/x
  3. Step 3: Cross multiply
    188,943.91x = 260,730.64 × 104,060.98
  4. Step 4: Simplify right side
    188,943.91x = 27,131,884,611.14
  5. Step 5: Solve for x
    x = 27,131,884,611.14/188,943.91
  6. Step 6: Final answer
    x = 143,597.56

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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.