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Finding the Fourth Proportional to 169,900.74, 254,813.45 and 103,101.26

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Solution

The fourth proportional to 169,900.74, 254,813.45 and 103,101.26 is: 154,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,900.74 : 254,813.45 = 103,101.26 : x
  2. Step 2: Convert to fraction form
    169,900.74/254,813.45 = 103,101.26/x
  3. Step 3: Cross multiply
    169,900.74x = 254,813.45 × 103,101.26
  4. Step 4: Simplify right side
    169,900.74x = 26,271,585,970.37
  5. Step 5: Solve for x
    x = 26,271,585,970.37/169,900.74
  6. Step 6: Final answer
    x = 154,629.03

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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.