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Finding the Fourth Proportional to 108,883.82, 163,325.39 and 28,929.79

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Solution

The fourth proportional to 108,883.82, 163,325.39 and 28,929.79 is: 43,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,883.82 : 163,325.39 = 28,929.79 : x
  2. Step 2: Convert to fraction form
    108,883.82/163,325.39 = 28,929.79/x
  3. Step 3: Cross multiply
    108,883.82x = 163,325.39 × 28,929.79
  4. Step 4: Simplify right side
    108,883.82x = 4,724,968,681.41
  5. Step 5: Solve for x
    x = 4,724,968,681.41/108,883.82
  6. Step 6: Final answer
    x = 43,394.59

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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.