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Finding the Fourth Proportional to 145,587.67, 218,379.57 and 50,817.67

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Solution

The fourth proportional to 145,587.67, 218,379.57 and 50,817.67 is: 76,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,587.67 : 218,379.57 = 50,817.67 : x
  2. Step 2: Convert to fraction form
    145,587.67/218,379.57 = 50,817.67/x
  3. Step 3: Cross multiply
    145,587.67x = 218,379.57 × 50,817.67
  4. Step 4: Simplify right side
    145,587.67x = 11,097,540,923.00
  5. Step 5: Solve for x
    x = 11,097,540,923.00/145,587.67
  6. Step 6: Final answer
    x = 76,225.83

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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.