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Finding the Fourth Proportional to 186,790.94, 257,793 and 104,013.26

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Solution

The fourth proportional to 186,790.94, 257,793 and 104,013.26 is: 143,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,790.94 : 257,793 = 104,013.26 : x
  2. Step 2: Convert to fraction form
    186,790.94/257,793 = 104,013.26/x
  3. Step 3: Cross multiply
    186,790.94x = 257,793 × 104,013.26
  4. Step 4: Simplify right side
    186,790.94x = 26,813,890,335.18
  5. Step 5: Solve for x
    x = 26,813,890,335.18/186,790.94
  6. Step 6: Final answer
    x = 143,550.27

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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.