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Finding the Fourth Proportional to 173,310.90, 259,629.93 and 98,200.14

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Solution

The fourth proportional to 173,310.90, 259,629.93 and 98,200.14 is: 147,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,310.90 : 259,629.93 = 98,200.14 : x
  2. Step 2: Convert to fraction form
    173,310.90/259,629.93 = 98,200.14/x
  3. Step 3: Cross multiply
    173,310.90x = 259,629.93 × 98,200.14
  4. Step 4: Simplify right side
    173,310.90x = 25,495,695,474.19
  5. Step 5: Solve for x
    x = 25,495,695,474.19/173,310.90
  6. Step 6: Final answer
    x = 147,109.59

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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.