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Finding the Fourth Proportional to 224,054.70, 309,191.58 and 122,081.01

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Solution

The fourth proportional to 224,054.70, 309,191.58 and 122,081.01 is: 168,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,054.70 : 309,191.58 = 122,081.01 : x
  2. Step 2: Convert to fraction form
    224,054.70/309,191.58 = 122,081.01/x
  3. Step 3: Cross multiply
    224,054.70x = 309,191.58 × 122,081.01
  4. Step 4: Simplify right side
    224,054.70x = 37,746,420,369.90
  5. Step 5: Solve for x
    x = 37,746,420,369.90/224,054.70
  6. Step 6: Final answer
    x = 168,469.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.