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Finding the Fourth Proportional to 125,539.01, 173,243.83 and 68,950.39

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Solution

The fourth proportional to 125,539.01, 173,243.83 and 68,950.39 is: 95,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,539.01 : 173,243.83 = 68,950.39 : x
  2. Step 2: Convert to fraction form
    125,539.01/173,243.83 = 68,950.39/x
  3. Step 3: Cross multiply
    125,539.01x = 173,243.83 × 68,950.39
  4. Step 4: Simplify right side
    125,539.01x = 11,945,228,432.62
  5. Step 5: Solve for x
    x = 11,945,228,432.62/125,539.01
  6. Step 6: Final answer
    x = 95,151.53

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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.