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Finding the Fourth Proportional to 218,224.98, 301,105.31 and 127,563.41

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Solution

The fourth proportional to 218,224.98, 301,105.31 and 127,563.41 is: 176,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,224.98 : 301,105.31 = 127,563.41 : x
  2. Step 2: Convert to fraction form
    218,224.98/301,105.31 = 127,563.41/x
  3. Step 3: Cross multiply
    218,224.98x = 301,105.31 × 127,563.41
  4. Step 4: Simplify right side
    218,224.98x = 38,410,017,969.36
  5. Step 5: Solve for x
    x = 38,410,017,969.36/218,224.98
  6. Step 6: Final answer
    x = 176,011.10

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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.