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Finding the Fourth Proportional to 173,748, 239,770.62 and 98,296.50

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Solution

The fourth proportional to 173,748, 239,770.62 and 98,296.50 is: 135,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,748 : 239,770.62 = 98,296.50 : x
  2. Step 2: Convert to fraction form
    173,748/239,770.62 = 98,296.50/x
  3. Step 3: Cross multiply
    173,748x = 239,770.62 × 98,296.50
  4. Step 4: Simplify right side
    173,748x = 23,568,612,748.83
  5. Step 5: Solve for x
    x = 23,568,612,748.83/173,748
  6. Step 6: Final answer
    x = 135,648.25

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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.