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Finding the Fourth Proportional to 173,087.80, 259,631.70 and 106,948.60

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Solution

The fourth proportional to 173,087.80, 259,631.70 and 106,948.60 is: 160,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,087.80 : 259,631.70 = 106,948.60 : x
  2. Step 2: Convert to fraction form
    173,087.80/259,631.70 = 106,948.60/x
  3. Step 3: Cross multiply
    173,087.80x = 259,631.70 × 106,948.60
  4. Step 4: Simplify right side
    173,087.80x = 27,767,246,830.62
  5. Step 5: Solve for x
    x = 27,767,246,830.62/173,087.80
  6. Step 6: Final answer
    x = 160,422.90

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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.