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Finding the Fourth Proportional to 139,144.26, 208,750.36 and 44,374.46

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Solution

The fourth proportional to 139,144.26, 208,750.36 and 44,374.46 is: 66,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,144.26 : 208,750.36 = 44,374.46 : x
  2. Step 2: Convert to fraction form
    139,144.26/208,750.36 = 44,374.46/x
  3. Step 3: Cross multiply
    139,144.26x = 208,750.36 × 44,374.46
  4. Step 4: Simplify right side
    139,144.26x = 9,263,184,499.81
  5. Step 5: Solve for x
    x = 9,263,184,499.81/139,144.26
  6. Step 6: Final answer
    x = 66,572.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.