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Finding the Fourth Proportional to 233,705.19, 322,579.23 and 138,245.07

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Solution

The fourth proportional to 233,705.19, 322,579.23 and 138,245.07 is: 190,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,705.19 : 322,579.23 = 138,245.07 : x
  2. Step 2: Convert to fraction form
    233,705.19/322,579.23 = 138,245.07/x
  3. Step 3: Cross multiply
    233,705.19x = 322,579.23 × 138,245.07
  4. Step 4: Simplify right side
    233,705.19x = 44,594,988,231.90
  5. Step 5: Solve for x
    x = 44,594,988,231.90/233,705.19
  6. Step 6: Final answer
    x = 190,817.28

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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.