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Finding the Fourth Proportional to 146,003.40, 218,810.70 and 104,401.80

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Solution

The fourth proportional to 146,003.40, 218,810.70 and 104,401.80 is: 156,463.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,003.40 : 218,810.70 = 104,401.80 : x
  2. Step 2: Convert to fraction form
    146,003.40/218,810.70 = 104,401.80/x
  3. Step 3: Cross multiply
    146,003.40x = 218,810.70 × 104,401.80
  4. Step 4: Simplify right side
    146,003.40x = 22,844,230,939.26
  5. Step 5: Solve for x
    x = 22,844,230,939.26/146,003.40
  6. Step 6: Final answer
    x = 156,463.69

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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.