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Finding the Fourth Proportional to 66,012.63, 98,854.91 and 46,198.47

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Solution

The fourth proportional to 66,012.63, 98,854.91 and 46,198.47 is: 69,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,012.63 : 98,854.91 = 46,198.47 : x
  2. Step 2: Convert to fraction form
    66,012.63/98,854.91 = 46,198.47/x
  3. Step 3: Cross multiply
    66,012.63x = 98,854.91 × 46,198.47
  4. Step 4: Simplify right side
    66,012.63x = 4,566,945,363.00
  5. Step 5: Solve for x
    x = 4,566,945,363.00/66,012.63
  6. Step 6: Final answer
    x = 69,182.90

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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.