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Finding the Fourth Proportional to 108,844.60, 163,208.40 and 38,714.80

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Solution

The fourth proportional to 108,844.60, 163,208.40 and 38,714.80 is: 58,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,844.60 : 163,208.40 = 38,714.80 : x
  2. Step 2: Convert to fraction form
    108,844.60/163,208.40 = 38,714.80/x
  3. Step 3: Cross multiply
    108,844.60x = 163,208.40 × 38,714.80
  4. Step 4: Simplify right side
    108,844.60x = 6,318,580,564.32
  5. Step 5: Solve for x
    x = 6,318,580,564.32/108,844.60
  6. Step 6: Final answer
    x = 58,051.39

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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.