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Finding the Fourth Proportional to 179,640, 269,458.92 and 46,519.92

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Solution

The fourth proportional to 179,640, 269,458.92 and 46,519.92 is: 69,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,640 : 269,458.92 = 46,519.92 : x
  2. Step 2: Convert to fraction form
    179,640/269,458.92 = 46,519.92/x
  3. Step 3: Cross multiply
    179,640x = 269,458.92 × 46,519.92
  4. Step 4: Simplify right side
    179,640x = 12,535,207,401.69
  5. Step 5: Solve for x
    x = 12,535,207,401.69/179,640
  6. Step 6: Final answer
    x = 69,779.60

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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.