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Finding the Fourth Proportional to 109,482.60, 164,207.70 and 30,604.80

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Solution

The fourth proportional to 109,482.60, 164,207.70 and 30,604.80 is: 45,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,482.60 : 164,207.70 = 30,604.80 : x
  2. Step 2: Convert to fraction form
    109,482.60/164,207.70 = 30,604.80/x
  3. Step 3: Cross multiply
    109,482.60x = 164,207.70 × 30,604.80
  4. Step 4: Simplify right side
    109,482.60x = 5,025,543,816.96
  5. Step 5: Solve for x
    x = 5,025,543,816.96/109,482.60
  6. Step 6: Final answer
    x = 45,902.67

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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.