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Finding the Fourth Proportional to 203,329.98, 305,004.69 and 98,237.34

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Solution

The fourth proportional to 203,329.98, 305,004.69 and 98,237.34 is: 147,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,329.98 : 305,004.69 = 98,237.34 : x
  2. Step 2: Convert to fraction form
    203,329.98/305,004.69 = 98,237.34/x
  3. Step 3: Cross multiply
    203,329.98x = 305,004.69 × 98,237.34
  4. Step 4: Simplify right side
    203,329.98x = 29,962,849,433.12
  5. Step 5: Solve for x
    x = 29,962,849,433.12/203,329.98
  6. Step 6: Final answer
    x = 147,360.71

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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.