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Finding the Fourth Proportional to 139,603.48, 209,401.96 and 44,833.48

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Solution

The fourth proportional to 139,603.48, 209,401.96 and 44,833.48 is: 67,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,603.48 : 209,401.96 = 44,833.48 : x
  2. Step 2: Convert to fraction form
    139,603.48/209,401.96 = 44,833.48/x
  3. Step 3: Cross multiply
    139,603.48x = 209,401.96 × 44,833.48
  4. Step 4: Simplify right side
    139,603.48x = 9,388,218,585.62
  5. Step 5: Solve for x
    x = 9,388,218,585.62/139,603.48
  6. Step 6: Final answer
    x = 67,249.17

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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.