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Finding the Fourth Proportional to 173,394.18, 259,878.60 and 98,577

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Solution

The fourth proportional to 173,394.18, 259,878.60 and 98,577 is: 147,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,394.18 : 259,878.60 = 98,577 : x
  2. Step 2: Convert to fraction form
    173,394.18/259,878.60 = 98,577/x
  3. Step 3: Cross multiply
    173,394.18x = 259,878.60 × 98,577
  4. Step 4: Simplify right side
    173,394.18x = 25,618,052,752.20
  5. Step 5: Solve for x
    x = 25,618,052,752.20/173,394.18
  6. Step 6: Final answer
    x = 147,744.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.