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Finding the Fourth Proportional to 173,745, 239,766.48 and 98,293.50

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Solution

The fourth proportional to 173,745, 239,766.48 and 98,293.50 is: 135,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,745 : 239,766.48 = 98,293.50 : x
  2. Step 2: Convert to fraction form
    173,745/239,766.48 = 98,293.50/x
  3. Step 3: Cross multiply
    173,745x = 239,766.48 × 98,293.50
  4. Step 4: Simplify right side
    173,745x = 23,567,486,501.88
  5. Step 5: Solve for x
    x = 23,567,486,501.88/173,745
  6. Step 6: Final answer
    x = 135,644.11

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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.