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Finding the Fourth Proportional to 125,846.94, 173,669.07 and 68,486.28

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Solution

The fourth proportional to 125,846.94, 173,669.07 and 68,486.28 is: 94,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,846.94 : 173,669.07 = 68,486.28 : x
  2. Step 2: Convert to fraction form
    125,846.94/173,669.07 = 68,486.28/x
  3. Step 3: Cross multiply
    125,846.94x = 173,669.07 × 68,486.28
  4. Step 4: Simplify right side
    125,846.94x = 11,893,948,555.36
  5. Step 5: Solve for x
    x = 11,893,948,555.36/125,846.94
  6. Step 6: Final answer
    x = 94,511.23

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1.5x scale

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.