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Finding the Fourth Proportional to 173,241.90, 239,090.67 and 105,244.02

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Solution

The fourth proportional to 173,241.90, 239,090.67 and 105,244.02 is: 145,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,241.90 : 239,090.67 = 105,244.02 : x
  2. Step 2: Convert to fraction form
    173,241.90/239,090.67 = 105,244.02/x
  3. Step 3: Cross multiply
    173,241.90x = 239,090.67 × 105,244.02
  4. Step 4: Simplify right side
    173,241.90x = 25,162,863,255.29
  5. Step 5: Solve for x
    x = 25,162,863,255.29/173,241.90
  6. Step 6: Final answer
    x = 145,246.98

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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.