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Finding the Fourth Proportional to 125,384.67, 173,030.31 and 68,794.83

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Solution

The fourth proportional to 125,384.67, 173,030.31 and 68,794.83 is: 94,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,384.67 : 173,030.31 = 68,794.83 : x
  2. Step 2: Convert to fraction form
    125,384.67/173,030.31 = 68,794.83/x
  3. Step 3: Cross multiply
    125,384.67x = 173,030.31 × 68,794.83
  4. Step 4: Simplify right side
    125,384.67x = 11,903,590,761.30
  5. Step 5: Solve for x
    x = 11,903,590,761.30/125,384.67
  6. Step 6: Final answer
    x = 94,936.57

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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.