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Finding the Fourth Proportional to 158,213.40, 237,243.30 and 88,018.20

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Solution

The fourth proportional to 158,213.40, 237,243.30 and 88,018.20 is: 131,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,213.40 : 237,243.30 = 88,018.20 : x
  2. Step 2: Convert to fraction form
    158,213.40/237,243.30 = 88,018.20/x
  3. Step 3: Cross multiply
    158,213.40x = 237,243.30 × 88,018.20
  4. Step 4: Simplify right side
    158,213.40x = 20,881,728,228.06
  5. Step 5: Solve for x
    x = 20,881,728,228.06/158,213.40
  6. Step 6: Final answer
    x = 131,984.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.