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Finding the Fourth Proportional to 125,476.93, 173,158.46 and 68,891.95

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Solution

The fourth proportional to 125,476.93, 173,158.46 and 68,891.95 is: 95,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,476.93 : 173,158.46 = 68,891.95 : x
  2. Step 2: Convert to fraction form
    125,476.93/173,158.46 = 68,891.95/x
  3. Step 3: Cross multiply
    125,476.93x = 173,158.46 × 68,891.95
  4. Step 4: Simplify right side
    125,476.93x = 11,929,223,968.40
  5. Step 5: Solve for x
    x = 11,929,223,968.40/125,476.93
  6. Step 6: Final answer
    x = 95,071.05

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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.