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Finding the Fourth Proportional to 144,576.35, 216,879.20 and 49,794.15

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Solution

The fourth proportional to 144,576.35, 216,879.20 and 49,794.15 is: 74,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,576.35 : 216,879.20 = 49,794.15 : x
  2. Step 2: Convert to fraction form
    144,576.35/216,879.20 = 49,794.15/x
  3. Step 3: Cross multiply
    144,576.35x = 216,879.20 × 49,794.15
  4. Step 4: Simplify right side
    144,576.35x = 10,799,315,416.68
  5. Step 5: Solve for x
    x = 10,799,315,416.68/144,576.35
  6. Step 6: Final answer
    x = 74,696.28

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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.