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Finding the Fourth Proportional to 109,692.88, 164,539.32 and 26,586.88

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Solution

The fourth proportional to 109,692.88, 164,539.32 and 26,586.88 is: 39,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,692.88 : 164,539.32 = 26,586.88 : x
  2. Step 2: Convert to fraction form
    109,692.88/164,539.32 = 26,586.88/x
  3. Step 3: Cross multiply
    109,692.88x = 164,539.32 × 26,586.88
  4. Step 4: Simplify right side
    109,692.88x = 4,374,587,156.12
  5. Step 5: Solve for x
    x = 4,374,587,156.12/109,692.88
  6. Step 6: Final answer
    x = 39,880.32

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1.5x scale

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.