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Finding the Fourth Proportional to 139,068.84, 208,534.25 and 44,286.67

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Solution

The fourth proportional to 139,068.84, 208,534.25 and 44,286.67 is: 66,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,068.84 : 208,534.25 = 44,286.67 : x
  2. Step 2: Convert to fraction form
    139,068.84/208,534.25 = 44,286.67/x
  3. Step 3: Cross multiply
    139,068.84x = 208,534.25 × 44,286.67
  4. Step 4: Simplify right side
    139,068.84x = 9,235,287,513.45
  5. Step 5: Solve for x
    x = 9,235,287,513.45/139,068.84
  6. Step 6: Final answer
    x = 66,408.03

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1.5x scale

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.