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Finding the Fourth Proportional to 172,673.50, 259,047.30 and 97,829.50

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Solution

The fourth proportional to 172,673.50, 259,047.30 and 97,829.50 is: 146,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,673.50 : 259,047.30 = 97,829.50 : x
  2. Step 2: Convert to fraction form
    172,673.50/259,047.30 = 97,829.50/x
  3. Step 3: Cross multiply
    172,673.50x = 259,047.30 × 97,829.50
  4. Step 4: Simplify right side
    172,673.50x = 25,342,467,835.35
  5. Step 5: Solve for x
    x = 25,342,467,835.35/172,673.50
  6. Step 6: Final answer
    x = 146,765.24

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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.