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Finding the Fourth Proportional to 136,584.94, 188,058.30 and 116,126.77

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Solution

The fourth proportional to 136,584.94, 188,058.30 and 116,126.77 is: 159,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,584.94 : 188,058.30 = 116,126.77 : x
  2. Step 2: Convert to fraction form
    136,584.94/188,058.30 = 116,126.77/x
  3. Step 3: Cross multiply
    136,584.94x = 188,058.30 × 116,126.77
  4. Step 4: Simplify right side
    136,584.94x = 21,838,602,397.68
  5. Step 5: Solve for x
    x = 21,838,602,397.68/136,584.94
  6. Step 6: Final answer
    x = 159,890.27

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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.