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Finding the Fourth Proportional to 241,912.40, 362,566.20 and 123,630.80

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Solution

The fourth proportional to 241,912.40, 362,566.20 and 123,630.80 is: 185,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,912.40 : 362,566.20 = 123,630.80 : x
  2. Step 2: Convert to fraction form
    241,912.40/362,566.20 = 123,630.80/x
  3. Step 3: Cross multiply
    241,912.40x = 362,566.20 × 123,630.80
  4. Step 4: Simplify right side
    241,912.40x = 44,824,349,358.96
  5. Step 5: Solve for x
    x = 44,824,349,358.96/241,912.40
  6. Step 6: Final answer
    x = 185,291.66

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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.