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Finding the Fourth Proportional to 173,119.79, 259,653.65 and 54,775.73

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Solution

The fourth proportional to 173,119.79, 259,653.65 and 54,775.73 is: 82,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,119.79 : 259,653.65 = 54,775.73 : x
  2. Step 2: Convert to fraction form
    173,119.79/259,653.65 = 54,775.73/x
  3. Step 3: Cross multiply
    173,119.79x = 259,653.65 × 54,775.73
  4. Step 4: Simplify right side
    173,119.79x = 14,222,716,653.77
  5. Step 5: Solve for x
    x = 14,222,716,653.77/173,119.79
  6. Step 6: Final answer
    x = 82,155.35

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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.