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Finding the Fourth Proportional to 101,066.20, 151,599.30 and 48,448.60

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Solution

The fourth proportional to 101,066.20, 151,599.30 and 48,448.60 is: 72,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066.20 : 151,599.30 = 48,448.60 : x
  2. Step 2: Convert to fraction form
    101,066.20/151,599.30 = 48,448.60/x
  3. Step 3: Cross multiply
    101,066.20x = 151,599.30 × 48,448.60
  4. Step 4: Simplify right side
    101,066.20x = 7,344,773,845.98
  5. Step 5: Solve for x
    x = 7,344,773,845.98/101,066.20
  6. Step 6: Final answer
    x = 72,672.90

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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.