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Finding the Fourth Proportional to 173,786.40, 260,679.60 and 55,466.40

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Solution

The fourth proportional to 173,786.40, 260,679.60 and 55,466.40 is: 83,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,786.40 : 260,679.60 = 55,466.40 : x
  2. Step 2: Convert to fraction form
    173,786.40/260,679.60 = 55,466.40/x
  3. Step 3: Cross multiply
    173,786.40x = 260,679.60 × 55,466.40
  4. Step 4: Simplify right side
    173,786.40x = 14,458,958,965.44
  5. Step 5: Solve for x
    x = 14,458,958,965.44/173,786.40
  6. Step 6: Final answer
    x = 83,199.60

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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.