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Finding the Fourth Proportional to 223,322.67, 308,187.23 and 121,348.14

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Solution

The fourth proportional to 223,322.67, 308,187.23 and 121,348.14 is: 167,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,322.67 : 308,187.23 = 121,348.14 : x
  2. Step 2: Convert to fraction form
    223,322.67/308,187.23 = 121,348.14/x
  3. Step 3: Cross multiply
    223,322.67x = 308,187.23 × 121,348.14
  4. Step 4: Simplify right side
    223,322.67x = 37,397,945,591.32
  5. Step 5: Solve for x
    x = 37,397,945,591.32/223,322.67
  6. Step 6: Final answer
    x = 167,461.48

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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.