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Finding the Fourth Proportional to 222,258.96, 306,705.60 and 121,637.52

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Solution

The fourth proportional to 222,258.96, 306,705.60 and 121,637.52 is: 167,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,258.96 : 306,705.60 = 121,637.52 : x
  2. Step 2: Convert to fraction form
    222,258.96/306,705.60 = 121,637.52/x
  3. Step 3: Cross multiply
    222,258.96x = 306,705.60 × 121,637.52
  4. Step 4: Simplify right side
    222,258.96x = 37,306,908,554.11
  5. Step 5: Solve for x
    x = 37,306,908,554.11/222,258.96
  6. Step 6: Final answer
    x = 167,853.34

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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.