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Finding the Fourth Proportional to 173,911.02, 239,990.36 and 98,459.52

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Solution

The fourth proportional to 173,911.02, 239,990.36 and 98,459.52 is: 135,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,911.02 : 239,990.36 = 98,459.52 : x
  2. Step 2: Convert to fraction form
    173,911.02/239,990.36 = 98,459.52/x
  3. Step 3: Cross multiply
    173,911.02x = 239,990.36 × 98,459.52
  4. Step 4: Simplify right side
    173,911.02x = 23,629,335,157.93
  5. Step 5: Solve for x
    x = 23,629,335,157.93/173,911.02
  6. Step 6: Final answer
    x = 135,870.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.