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Finding the Fourth Proportional to 173,606.40, 239,575.68 and 98,155.20

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Solution

The fourth proportional to 173,606.40, 239,575.68 and 98,155.20 is: 135,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,606.40 : 239,575.68 = 98,155.20 : x
  2. Step 2: Convert to fraction form
    173,606.40/239,575.68 = 98,155.20/x
  3. Step 3: Cross multiply
    173,606.40x = 239,575.68 × 98,155.20
  4. Step 4: Simplify right side
    173,606.40x = 23,515,598,785.54
  5. Step 5: Solve for x
    x = 23,515,598,785.54/173,606.40
  6. Step 6: Final answer
    x = 135,453.52

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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.