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Finding the Fourth Proportional to 173,290, 259,895.04 and 54,939.28

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Solution

The fourth proportional to 173,290, 259,895.04 and 54,939.28 is: 82,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,290 : 259,895.04 = 54,939.28 : x
  2. Step 2: Convert to fraction form
    173,290/259,895.04 = 54,939.28/x
  3. Step 3: Cross multiply
    173,290x = 259,895.04 × 54,939.28
  4. Step 4: Simplify right side
    173,290x = 14,278,446,373.17
  5. Step 5: Solve for x
    x = 14,278,446,373.17/173,290
  6. Step 6: Final answer
    x = 82,396.25

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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.