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Finding the Fourth Proportional to 173,679.98, 239,723.43 and 98,272.22

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Solution

The fourth proportional to 173,679.98, 239,723.43 and 98,272.22 is: 135,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,679.98 : 239,723.43 = 98,272.22 : x
  2. Step 2: Convert to fraction form
    173,679.98/239,723.43 = 98,272.22/x
  3. Step 3: Cross multiply
    173,679.98x = 239,723.43 × 98,272.22
  4. Step 4: Simplify right side
    173,679.98x = 23,558,153,652.11
  5. Step 5: Solve for x
    x = 23,558,153,652.11/173,679.98
  6. Step 6: Final answer
    x = 135,641.16

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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.