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Finding the Fourth Proportional to 108,744.40, 163,116.60 and 104,370.40

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Solution

The fourth proportional to 108,744.40, 163,116.60 and 104,370.40 is: 156,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,744.40 : 163,116.60 = 104,370.40 : x
  2. Step 2: Convert to fraction form
    108,744.40/163,116.60 = 104,370.40/x
  3. Step 3: Cross multiply
    108,744.40x = 163,116.60 × 104,370.40
  4. Step 4: Simplify right side
    108,744.40x = 17,024,544,788.64
  5. Step 5: Solve for x
    x = 17,024,544,788.64/108,744.40
  6. Step 6: Final answer
    x = 156,555.60

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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.