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Finding the Fourth Proportional to 188,941.94, 260,751.66 and 104,058.98

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Solution

The fourth proportional to 188,941.94, 260,751.66 and 104,058.98 is: 143,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,941.94 : 260,751.66 = 104,058.98 : x
  2. Step 2: Convert to fraction form
    188,941.94/260,751.66 = 104,058.98/x
  3. Step 3: Cross multiply
    188,941.94x = 260,751.66 × 104,058.98
  4. Step 4: Simplify right side
    188,941.94x = 27,133,551,772.91
  5. Step 5: Solve for x
    x = 27,133,551,772.91/188,941.94
  6. Step 6: Final answer
    x = 143,607.88

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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.