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Finding the Fourth Proportional to 333,668.08, 500,397.36 and 108,977.32

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Solution

The fourth proportional to 333,668.08, 500,397.36 and 108,977.32 is: 163,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,668.08 : 500,397.36 = 108,977.32 : x
  2. Step 2: Convert to fraction form
    333,668.08/500,397.36 = 108,977.32/x
  3. Step 3: Cross multiply
    333,668.08x = 500,397.36 × 108,977.32
  4. Step 4: Simplify right side
    333,668.08x = 54,531,963,227.88
  5. Step 5: Solve for x
    x = 54,531,963,227.88/333,668.08
  6. Step 6: Final answer
    x = 163,431.76

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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.