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Finding the Fourth Proportional to 163,462.68, 245,193.60 and 43,519.64

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Solution

The fourth proportional to 163,462.68, 245,193.60 and 43,519.64 is: 65,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,462.68 : 245,193.60 = 43,519.64 : x
  2. Step 2: Convert to fraction form
    163,462.68/245,193.60 = 43,519.64/x
  3. Step 3: Cross multiply
    163,462.68x = 245,193.60 × 43,519.64
  4. Step 4: Simplify right side
    163,462.68x = 10,670,737,202.30
  5. Step 5: Solve for x
    x = 10,670,737,202.30/163,462.68
  6. Step 6: Final answer
    x = 65,279.35

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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.