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Finding the Fourth Proportional to 97,493.60, 146,143.20 and 44,811.20

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Solution

The fourth proportional to 97,493.60, 146,143.20 and 44,811.20 is: 67,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,493.60 : 146,143.20 = 44,811.20 : x
  2. Step 2: Convert to fraction form
    97,493.60/146,143.20 = 44,811.20/x
  3. Step 3: Cross multiply
    97,493.60x = 146,143.20 × 44,811.20
  4. Step 4: Simplify right side
    97,493.60x = 6,548,852,163.84
  5. Step 5: Solve for x
    x = 6,548,852,163.84/97,493.60
  6. Step 6: Final answer
    x = 67,172.12

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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.