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Finding the Fourth Proportional to 148,573.70, 222,861.03 and 37,765.70

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Solution

The fourth proportional to 148,573.70, 222,861.03 and 37,765.70 is: 56,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,573.70 : 222,861.03 = 37,765.70 : x
  2. Step 2: Convert to fraction form
    148,573.70/222,861.03 = 37,765.70/x
  3. Step 3: Cross multiply
    148,573.70x = 222,861.03 × 37,765.70
  4. Step 4: Simplify right side
    148,573.70x = 8,416,502,800.67
  5. Step 5: Solve for x
    x = 8,416,502,800.67/148,573.70
  6. Step 6: Final answer
    x = 56,648.67

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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.