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Finding the Fourth Proportional to 169,303.10, 254,007.30 and 69,471.42

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Solution

The fourth proportional to 169,303.10, 254,007.30 and 69,471.42 is: 104,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,303.10 : 254,007.30 = 69,471.42 : x
  2. Step 2: Convert to fraction form
    169,303.10/254,007.30 = 69,471.42/x
  3. Step 3: Cross multiply
    169,303.10x = 254,007.30 × 69,471.42
  4. Step 4: Simplify right side
    169,303.10x = 17,646,247,821.37
  5. Step 5: Solve for x
    x = 17,646,247,821.37/169,303.10
  6. Step 6: Final answer
    x = 104,228.73

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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.