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Finding the Fourth Proportional to 139,260.84, 208,871.22 and 44,501.82

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Solution

The fourth proportional to 139,260.84, 208,871.22 and 44,501.82 is: 66,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,260.84 : 208,871.22 = 44,501.82 : x
  2. Step 2: Convert to fraction form
    139,260.84/208,871.22 = 44,501.82/x
  3. Step 3: Cross multiply
    139,260.84x = 208,871.22 × 44,501.82
  4. Step 4: Simplify right side
    139,260.84x = 9,295,149,435.62
  5. Step 5: Solve for x
    x = 9,295,149,435.62/139,260.84
  6. Step 6: Final answer
    x = 66,746.33

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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.