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Finding the Fourth Proportional to 98,797.79, 148,224.44 and 39,674.98

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Solution

The fourth proportional to 98,797.79, 148,224.44 and 39,674.98 is: 59,523.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,797.79 : 148,224.44 = 39,674.98 : x
  2. Step 2: Convert to fraction form
    98,797.79/148,224.44 = 39,674.98/x
  3. Step 3: Cross multiply
    98,797.79x = 148,224.44 × 39,674.98
  4. Step 4: Simplify right side
    98,797.79x = 5,880,801,692.51
  5. Step 5: Solve for x
    x = 5,880,801,692.51/98,797.79
  6. Step 6: Final answer
    x = 59,523.62

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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.