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Finding the Fourth Proportional to 180,227.79, 248,692.50 and 99,644.31

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Solution

The fourth proportional to 180,227.79, 248,692.50 and 99,644.31 is: 137,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,227.79 : 248,692.50 = 99,644.31 : x
  2. Step 2: Convert to fraction form
    180,227.79/248,692.50 = 99,644.31/x
  3. Step 3: Cross multiply
    180,227.79x = 248,692.50 × 99,644.31
  4. Step 4: Simplify right side
    180,227.79x = 24,780,792,564.68
  5. Step 5: Solve for x
    x = 24,780,792,564.68/180,227.79
  6. Step 6: Final answer
    x = 137,497.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.