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Finding the Fourth Proportional to 152,211.53, 210,062.42 and 84,231.37

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Solution

The fourth proportional to 152,211.53, 210,062.42 and 84,231.37 is: 116,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,211.53 : 210,062.42 = 84,231.37 : x
  2. Step 2: Convert to fraction form
    152,211.53/210,062.42 = 84,231.37/x
  3. Step 3: Cross multiply
    152,211.53x = 210,062.42 × 84,231.37
  4. Step 4: Simplify right side
    152,211.53x = 17,693,845,422.12
  5. Step 5: Solve for x
    x = 17,693,845,422.12/152,211.53
  6. Step 6: Final answer
    x = 116,245.11

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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.