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Finding the Fourth Proportional to 146,652.20, 219,322.20 and 123,032.60

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Solution

The fourth proportional to 146,652.20, 219,322.20 and 123,032.60 is: 183,998.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,652.20 : 219,322.20 = 123,032.60 : x
  2. Step 2: Convert to fraction form
    146,652.20/219,322.20 = 123,032.60/x
  3. Step 3: Cross multiply
    146,652.20x = 219,322.20 × 123,032.60
  4. Step 4: Simplify right side
    146,652.20x = 26,983,780,503.72
  5. Step 5: Solve for x
    x = 26,983,780,503.72/146,652.20
  6. Step 6: Final answer
    x = 183,998.47

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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.