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Finding the Fourth Proportional to 146,741.20, 220,111.80 and 96,002.80

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Solution

The fourth proportional to 146,741.20, 220,111.80 and 96,002.80 is: 144,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,741.20 : 220,111.80 = 96,002.80 : x
  2. Step 2: Convert to fraction form
    146,741.20/220,111.80 = 96,002.80/x
  3. Step 3: Cross multiply
    146,741.20x = 220,111.80 × 96,002.80
  4. Step 4: Simplify right side
    146,741.20x = 21,131,349,113.04
  5. Step 5: Solve for x
    x = 21,131,349,113.04/146,741.20
  6. Step 6: Final answer
    x = 144,004.20

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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.