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Finding the Fourth Proportional to 145,586.67, 218,378.07 and 50,816.67

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Solution

The fourth proportional to 145,586.67, 218,378.07 and 50,816.67 is: 76,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,586.67 : 218,378.07 = 50,816.67 : x
  2. Step 2: Convert to fraction form
    145,586.67/218,378.07 = 50,816.67/x
  3. Step 3: Cross multiply
    145,586.67x = 218,378.07 × 50,816.67
  4. Step 4: Simplify right side
    145,586.67x = 11,097,246,318.43
  5. Step 5: Solve for x
    x = 11,097,246,318.43/145,586.67
  6. Step 6: Final answer
    x = 76,224.33

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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.