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Finding the Fourth Proportional to 113,199.60, 169,799.40 and 54,150.60

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Solution

The fourth proportional to 113,199.60, 169,799.40 and 54,150.60 is: 81,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,199.60 : 169,799.40 = 54,150.60 : x
  2. Step 2: Convert to fraction form
    113,199.60/169,799.40 = 54,150.60/x
  3. Step 3: Cross multiply
    113,199.60x = 169,799.40 × 54,150.60
  4. Step 4: Simplify right side
    113,199.60x = 9,194,739,389.64
  5. Step 5: Solve for x
    x = 9,194,739,389.64/113,199.60
  6. Step 6: Final answer
    x = 81,225.90

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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.