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Finding the Fourth Proportional to 110,925.60, 166,388.40 and 109,759.20

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Solution

The fourth proportional to 110,925.60, 166,388.40 and 109,759.20 is: 164,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,925.60 : 166,388.40 = 109,759.20 : x
  2. Step 2: Convert to fraction form
    110,925.60/166,388.40 = 109,759.20/x
  3. Step 3: Cross multiply
    110,925.60x = 166,388.40 × 109,759.20
  4. Step 4: Simplify right side
    110,925.60x = 18,262,657,673.28
  5. Step 5: Solve for x
    x = 18,262,657,673.28/110,925.60
  6. Step 6: Final answer
    x = 164,638.80

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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.