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Finding the Fourth Proportional to 173,303.28, 259,993.80 and 54,978.48

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Solution

The fourth proportional to 173,303.28, 259,993.80 and 54,978.48 is: 82,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,303.28 : 259,993.80 = 54,978.48 : x
  2. Step 2: Convert to fraction form
    173,303.28/259,993.80 = 54,978.48/x
  3. Step 3: Cross multiply
    173,303.28x = 259,993.80 × 54,978.48
  4. Step 4: Simplify right side
    173,303.28x = 14,294,063,933.42
  5. Step 5: Solve for x
    x = 14,294,063,933.42/173,303.28
  6. Step 6: Final answer
    x = 82,480.05

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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.