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Finding the Fourth Proportional to 158,991.56, 238,303.02 and 149,775.56

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Solution

The fourth proportional to 158,991.56, 238,303.02 and 149,775.56 is: 224,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,991.56 : 238,303.02 = 149,775.56 : x
  2. Step 2: Convert to fraction form
    158,991.56/238,303.02 = 149,775.56/x
  3. Step 3: Cross multiply
    158,991.56x = 238,303.02 × 149,775.56
  4. Step 4: Simplify right side
    158,991.56x = 35,691,968,270.19
  5. Step 5: Solve for x
    x = 35,691,968,270.19/158,991.56
  6. Step 6: Final answer
    x = 224,489.70

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Why These Related Problems?

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