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Finding the Fourth Proportional to 147,674.95, 221,511.11 and 46,480.64

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Solution

The fourth proportional to 147,674.95, 221,511.11 and 46,480.64 is: 69,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,674.95 : 221,511.11 = 46,480.64 : x
  2. Step 2: Convert to fraction form
    147,674.95/221,511.11 = 46,480.64/x
  3. Step 3: Cross multiply
    147,674.95x = 221,511.11 × 46,480.64
  4. Step 4: Simplify right side
    147,674.95x = 10,295,976,819.95
  5. Step 5: Solve for x
    x = 10,295,976,819.95/147,674.95
  6. Step 6: Final answer
    x = 69,720.54

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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.