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Finding the Fourth Proportional to 164,329.20, 246,493.80 and 39,670.20

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Solution

The fourth proportional to 164,329.20, 246,493.80 and 39,670.20 is: 59,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,329.20 : 246,493.80 = 39,670.20 : x
  2. Step 2: Convert to fraction form
    164,329.20/246,493.80 = 39,670.20/x
  3. Step 3: Cross multiply
    164,329.20x = 246,493.80 × 39,670.20
  4. Step 4: Simplify right side
    164,329.20x = 9,778,458,344.76
  5. Step 5: Solve for x
    x = 9,778,458,344.76/164,329.20
  6. Step 6: Final answer
    x = 59,505.30

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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.