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Finding the Fourth Proportional to 245,150.85, 366,935.30 and 126,659.19

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Solution

The fourth proportional to 245,150.85, 366,935.30 and 126,659.19 is: 189,580.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,150.85 : 366,935.30 = 126,659.19 : x
  2. Step 2: Convert to fraction form
    245,150.85/366,935.30 = 126,659.19/x
  3. Step 3: Cross multiply
    245,150.85x = 366,935.30 × 126,659.19
  4. Step 4: Simplify right side
    245,150.85x = 46,475,727,880.41
  5. Step 5: Solve for x
    x = 46,475,727,880.41/245,150.85
  6. Step 6: Final answer
    x = 189,580.12

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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.