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Finding the Fourth Proportional to 139,247.22, 208,904.85 and 44,477.42

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Solution

The fourth proportional to 139,247.22, 208,904.85 and 44,477.42 is: 66,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,247.22 : 208,904.85 = 44,477.42 : x
  2. Step 2: Convert to fraction form
    139,247.22/208,904.85 = 44,477.42/x
  3. Step 3: Cross multiply
    139,247.22x = 208,904.85 × 44,477.42
  4. Step 4: Simplify right side
    139,247.22x = 9,291,548,753.49
  5. Step 5: Solve for x
    x = 9,291,548,753.49/139,247.22
  6. Step 6: Final answer
    x = 66,727.00

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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.