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Finding the Fourth Proportional to 222,050.31, 306,427.91 and 121,448.31

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Solution

The fourth proportional to 222,050.31, 306,427.91 and 121,448.31 is: 167,597.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,050.31 : 306,427.91 = 121,448.31 : x
  2. Step 2: Convert to fraction form
    222,050.31/306,427.91 = 121,448.31/x
  3. Step 3: Cross multiply
    222,050.31x = 306,427.91 × 121,448.31
  4. Step 4: Simplify right side
    222,050.31x = 37,215,151,199.09
  5. Step 5: Solve for x
    x = 37,215,151,199.09/222,050.31
  6. Step 6: Final answer
    x = 167,597.83

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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.