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Finding the Fourth Proportional to 171,851.49, 257,693.90 and 100,797.35

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Solution

The fourth proportional to 171,851.49, 257,693.90 and 100,797.35 is: 151,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,851.49 : 257,693.90 = 100,797.35 : x
  2. Step 2: Convert to fraction form
    171,851.49/257,693.90 = 100,797.35/x
  3. Step 3: Cross multiply
    171,851.49x = 257,693.90 × 100,797.35
  4. Step 4: Simplify right side
    171,851.49x = 25,974,860,438.71
  5. Step 5: Solve for x
    x = 25,974,860,438.71/171,851.49
  6. Step 6: Final answer
    x = 151,147.14

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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.