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Finding the Fourth Proportional to 108,797.29, 163,083.65 and 45,654.08

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Solution

The fourth proportional to 108,797.29, 163,083.65 and 45,654.08 is: 68,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,797.29 : 163,083.65 = 45,654.08 : x
  2. Step 2: Convert to fraction form
    108,797.29/163,083.65 = 45,654.08/x
  3. Step 3: Cross multiply
    108,797.29x = 163,083.65 × 45,654.08
  4. Step 4: Simplify right side
    108,797.29x = 7,445,433,188.37
  5. Step 5: Solve for x
    x = 7,445,433,188.37/108,797.29
  6. Step 6: Final answer
    x = 68,434.00

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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.