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Finding the Fourth Proportional to 103,208.64, 154,814.40 and 29,336.64

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Solution

The fourth proportional to 103,208.64, 154,814.40 and 29,336.64 is: 44,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,208.64 : 154,814.40 = 29,336.64 : x
  2. Step 2: Convert to fraction form
    103,208.64/154,814.40 = 29,336.64/x
  3. Step 3: Cross multiply
    103,208.64x = 154,814.40 × 29,336.64
  4. Step 4: Simplify right side
    103,208.64x = 4,541,734,319.62
  5. Step 5: Solve for x
    x = 4,541,734,319.62/103,208.64
  6. Step 6: Final answer
    x = 44,005.37

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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.