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Finding the Fourth Proportional to 139,106.01, 208,674.33 and 44,314.14

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Solution

The fourth proportional to 139,106.01, 208,674.33 and 44,314.14 is: 66,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,106.01 : 208,674.33 = 44,314.14 : x
  2. Step 2: Convert to fraction form
    139,106.01/208,674.33 = 44,314.14/x
  3. Step 3: Cross multiply
    139,106.01x = 208,674.33 × 44,314.14
  4. Step 4: Simplify right side
    139,106.01x = 9,247,223,474.03
  5. Step 5: Solve for x
    x = 9,247,223,474.03/139,106.01
  6. Step 6: Final answer
    x = 66,476.09

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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.