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Finding the Fourth Proportional to 172,851.99, 259,277.64 and 67,597.16

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Solution

The fourth proportional to 172,851.99, 259,277.64 and 67,597.16 is: 101,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,851.99 : 259,277.64 = 67,597.16 : x
  2. Step 2: Convert to fraction form
    172,851.99/259,277.64 = 67,597.16/x
  3. Step 3: Cross multiply
    172,851.99x = 259,277.64 × 67,597.16
  4. Step 4: Simplify right side
    172,851.99x = 17,526,430,819.11
  5. Step 5: Solve for x
    x = 17,526,430,819.11/172,851.99
  6. Step 6: Final answer
    x = 101,395.60

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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.