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Finding the Fourth Proportional to 223,503.93, 308,435.43 and 122,901.93

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Solution

The fourth proportional to 223,503.93, 308,435.43 and 122,901.93 is: 169,604.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,503.93 : 308,435.43 = 122,901.93 : x
  2. Step 2: Convert to fraction form
    223,503.93/308,435.43 = 122,901.93/x
  3. Step 3: Cross multiply
    223,503.93x = 308,435.43 × 122,901.93
  4. Step 4: Simplify right side
    223,503.93x = 37,907,309,627.38
  5. Step 5: Solve for x
    x = 37,907,309,627.38/223,503.93
  6. Step 6: Final answer
    x = 169,604.67

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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.