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Finding the Fourth Proportional to 222,328.16, 306,736.18 and 125,519.93

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Solution

The fourth proportional to 222,328.16, 306,736.18 and 125,519.93 is: 173,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,328.16 : 306,736.18 = 125,519.93 : x
  2. Step 2: Convert to fraction form
    222,328.16/306,736.18 = 125,519.93/x
  3. Step 3: Cross multiply
    222,328.16x = 306,736.18 × 125,519.93
  4. Step 4: Simplify right side
    222,328.16x = 38,501,502,308.39
  5. Step 5: Solve for x
    x = 38,501,502,308.39/222,328.16
  6. Step 6: Final answer
    x = 173,174.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.