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Finding the Fourth Proportional to 125,382.82, 173,026.74 and 68,794.15

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Solution

The fourth proportional to 125,382.82, 173,026.74 and 68,794.15 is: 94,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,382.82 : 173,026.74 = 68,794.15 : x
  2. Step 2: Convert to fraction form
    125,382.82/173,026.74 = 68,794.15/x
  3. Step 3: Cross multiply
    125,382.82x = 173,026.74 × 68,794.15
  4. Step 4: Simplify right side
    125,382.82x = 11,903,227,505.57
  5. Step 5: Solve for x
    x = 11,903,227,505.57/125,382.82
  6. Step 6: Final answer
    x = 94,935.08

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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.