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Finding the Fourth Proportional to 173,969.12, 260,992.56 and 55,647.56

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Solution

The fourth proportional to 173,969.12, 260,992.56 and 55,647.56 is: 83,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,969.12 : 260,992.56 = 55,647.56 : x
  2. Step 2: Convert to fraction form
    173,969.12/260,992.56 = 55,647.56/x
  3. Step 3: Cross multiply
    173,969.12x = 260,992.56 × 55,647.56
  4. Step 4: Simplify right side
    173,969.12x = 14,523,599,142.15
  5. Step 5: Solve for x
    x = 14,523,599,142.15/173,969.12
  6. Step 6: Final answer
    x = 83,483.78

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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.