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Finding the Fourth Proportional to 148,993.58, 223,485.37 and 64,753.74

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Solution

The fourth proportional to 148,993.58, 223,485.37 and 64,753.74 is: 97,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,993.58 : 223,485.37 = 64,753.74 : x
  2. Step 2: Convert to fraction form
    148,993.58/223,485.37 = 64,753.74/x
  3. Step 3: Cross multiply
    148,993.58x = 223,485.37 × 64,753.74
  4. Step 4: Simplify right side
    148,993.58x = 14,471,513,380.90
  5. Step 5: Solve for x
    x = 14,471,513,380.90/148,993.58
  6. Step 6: Final answer
    x = 97,128.43

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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.