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Finding the Fourth Proportional to 169,810.40, 254,553.60 and 63,165.80

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Solution

The fourth proportional to 169,810.40, 254,553.60 and 63,165.80 is: 94,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,810.40 : 254,553.60 = 63,165.80 : x
  2. Step 2: Convert to fraction form
    169,810.40/254,553.60 = 63,165.80/x
  3. Step 3: Cross multiply
    169,810.40x = 254,553.60 × 63,165.80
  4. Step 4: Simplify right side
    169,810.40x = 16,079,081,786.88
  5. Step 5: Solve for x
    x = 16,079,081,786.88/169,810.40
  6. Step 6: Final answer
    x = 94,688.44

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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.