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Finding the Fourth Proportional to 139,460.55, 209,204.66 and 44,666.92

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Solution

The fourth proportional to 139,460.55, 209,204.66 and 44,666.92 is: 67,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,460.55 : 209,204.66 = 44,666.92 : x
  2. Step 2: Convert to fraction form
    139,460.55/209,204.66 = 44,666.92/x
  3. Step 3: Cross multiply
    139,460.55x = 209,204.66 × 44,666.92
  4. Step 4: Simplify right side
    139,460.55x = 9,344,527,811.85
  5. Step 5: Solve for x
    x = 9,344,527,811.85/139,460.55
  6. Step 6: Final answer
    x = 67,004.81

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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.