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Finding the Fourth Proportional to 164,048.80, 246,073.20 and 53,240.80

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Solution

The fourth proportional to 164,048.80, 246,073.20 and 53,240.80 is: 79,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,048.80 : 246,073.20 = 53,240.80 : x
  2. Step 2: Convert to fraction form
    164,048.80/246,073.20 = 53,240.80/x
  3. Step 3: Cross multiply
    164,048.80x = 246,073.20 × 53,240.80
  4. Step 4: Simplify right side
    164,048.80x = 13,101,134,026.56
  5. Step 5: Solve for x
    x = 13,101,134,026.56/164,048.80
  6. Step 6: Final answer
    x = 79,861.20

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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.