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Finding the Fourth Proportional to 100,458.20, 150,468.60 and 60,946.40

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Solution

The fourth proportional to 100,458.20, 150,468.60 and 60,946.40 is: 91,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,458.20 : 150,468.60 = 60,946.40 : x
  2. Step 2: Convert to fraction form
    100,458.20/150,468.60 = 60,946.40/x
  3. Step 3: Cross multiply
    100,458.20x = 150,468.60 × 60,946.40
  4. Step 4: Simplify right side
    100,458.20x = 9,170,519,483.04
  5. Step 5: Solve for x
    x = 9,170,519,483.04/100,458.20
  6. Step 6: Final answer
    x = 91,286.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.