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Finding the Fourth Proportional to 108,894.66, 163,353.29 and 30,008.90

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Solution

The fourth proportional to 108,894.66, 163,353.29 and 30,008.90 is: 45,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,894.66 : 163,353.29 = 30,008.90 : x
  2. Step 2: Convert to fraction form
    108,894.66/163,353.29 = 30,008.90/x
  3. Step 3: Cross multiply
    108,894.66x = 163,353.29 × 30,008.90
  4. Step 4: Simplify right side
    108,894.66x = 4,902,051,577.47
  5. Step 5: Solve for x
    x = 4,902,051,577.47/108,894.66
  6. Step 6: Final answer
    x = 45,016.46

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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.