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Finding the Fourth Proportional to 196,040.40, 293,753.40 and 169,621.20

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Solution

The fourth proportional to 196,040.40, 293,753.40 and 169,621.20 is: 254,166.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,040.40 : 293,753.40 = 169,621.20 : x
  2. Step 2: Convert to fraction form
    196,040.40/293,753.40 = 169,621.20/x
  3. Step 3: Cross multiply
    196,040.40x = 293,753.40 × 169,621.20
  4. Step 4: Simplify right side
    196,040.40x = 49,826,804,212.08
  5. Step 5: Solve for x
    x = 49,826,804,212.08/196,040.40
  6. Step 6: Final answer
    x = 254,166.00

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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.