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Finding the Fourth Proportional to 108,884.82, 163,326.88 and 28,930.79

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Solution

The fourth proportional to 108,884.82, 163,326.88 and 28,930.79 is: 43,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,884.82 : 163,326.88 = 28,930.79 : x
  2. Step 2: Convert to fraction form
    108,884.82/163,326.88 = 28,930.79/x
  3. Step 3: Cross multiply
    108,884.82x = 163,326.88 × 28,930.79
  4. Step 4: Simplify right side
    108,884.82x = 4,725,175,666.64
  5. Step 5: Solve for x
    x = 4,725,175,666.64/108,884.82
  6. Step 6: Final answer
    x = 43,396.09

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1.5x scale

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.