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Finding the Fourth Proportional to 223,701.67, 308,708.34 and 123,099.67

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Solution

The fourth proportional to 223,701.67, 308,708.34 and 123,099.67 is: 169,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,701.67 : 308,708.34 = 123,099.67 : x
  2. Step 2: Convert to fraction form
    223,701.67/308,708.34 = 123,099.67/x
  3. Step 3: Cross multiply
    223,701.67x = 308,708.34 × 123,099.67
  4. Step 4: Simplify right side
    223,701.67x = 38,001,893,546.85
  5. Step 5: Solve for x
    x = 38,001,893,546.85/223,701.67
  6. Step 6: Final answer
    x = 169,877.56

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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.