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Finding the Fourth Proportional to 245,459.62, 368,148.12 and 67,984.57

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Solution

The fourth proportional to 245,459.62, 368,148.12 and 67,984.57 is: 101,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,459.62 : 368,148.12 = 67,984.57 : x
  2. Step 2: Convert to fraction form
    245,459.62/368,148.12 = 67,984.57/x
  3. Step 3: Cross multiply
    245,459.62x = 368,148.12 × 67,984.57
  4. Step 4: Simplify right side
    245,459.62x = 25,028,391,634.51
  5. Step 5: Solve for x
    x = 25,028,391,634.51/245,459.62
  6. Step 6: Final answer
    x = 101,965.41

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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.