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Finding the Fourth Proportional to 125,634.80, 173,376.71 and 68,274.58

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Solution

The fourth proportional to 125,634.80, 173,376.71 and 68,274.58 is: 94,219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,634.80 : 173,376.71 = 68,274.58 : x
  2. Step 2: Convert to fraction form
    125,634.80/173,376.71 = 68,274.58/x
  3. Step 3: Cross multiply
    125,634.80x = 173,376.71 × 68,274.58
  4. Step 4: Simplify right side
    125,634.80x = 11,837,222,057.03
  5. Step 5: Solve for x
    x = 11,837,222,057.03/125,634.80
  6. Step 6: Final answer
    x = 94,219.29

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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.