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Finding the Fourth Proportional to 173,396.32, 260,103.48 and 55,076.92

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Solution

The fourth proportional to 173,396.32, 260,103.48 and 55,076.92 is: 82,618.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,396.32 : 260,103.48 = 55,076.92 : x
  2. Step 2: Convert to fraction form
    173,396.32/260,103.48 = 55,076.92/x
  3. Step 3: Cross multiply
    173,396.32x = 260,103.48 × 55,076.92
  4. Step 4: Simplify right side
    173,396.32x = 14,325,698,559.68
  5. Step 5: Solve for x
    x = 14,325,698,559.68/173,396.32
  6. Step 6: Final answer
    x = 82,618.24

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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.