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Finding the Fourth Proportional to 146,855.76, 202,692.48 and 89,513.76

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Solution

The fourth proportional to 146,855.76, 202,692.48 and 89,513.76 is: 123,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,855.76 : 202,692.48 = 89,513.76 : x
  2. Step 2: Convert to fraction form
    146,855.76/202,692.48 = 89,513.76/x
  3. Step 3: Cross multiply
    146,855.76x = 202,692.48 × 89,513.76
  4. Step 4: Simplify right side
    146,855.76x = 18,143,766,008.52
  5. Step 5: Solve for x
    x = 18,143,766,008.52/146,855.76
  6. Step 6: Final answer
    x = 123,548.21

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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.