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Finding the Fourth Proportional to 173,115.70, 259,673.55 and 101,965.30

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Solution

The fourth proportional to 173,115.70, 259,673.55 and 101,965.30 is: 152,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,115.70 : 259,673.55 = 101,965.30 : x
  2. Step 2: Convert to fraction form
    173,115.70/259,673.55 = 101,965.30/x
  3. Step 3: Cross multiply
    173,115.70x = 259,673.55 × 101,965.30
  4. Step 4: Simplify right side
    173,115.70x = 26,477,691,427.82
  5. Step 5: Solve for x
    x = 26,477,691,427.82/173,115.70
  6. Step 6: Final answer
    x = 152,947.95

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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.