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Finding the Fourth Proportional to 223,416.20, 308,313.60 and 127,922.60

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Solution

The fourth proportional to 223,416.20, 308,313.60 and 127,922.60 is: 176,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,416.20 : 308,313.60 = 127,922.60 : x
  2. Step 2: Convert to fraction form
    223,416.20/308,313.60 = 127,922.60/x
  3. Step 3: Cross multiply
    223,416.20x = 308,313.60 × 127,922.60
  4. Step 4: Simplify right side
    223,416.20x = 39,440,277,327.36
  5. Step 5: Solve for x
    x = 39,440,277,327.36/223,416.20
  6. Step 6: Final answer
    x = 176,532.76

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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.