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Finding the Fourth Proportional to 164,245.20, 226,659.42 and 103,843.08

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Solution

The fourth proportional to 164,245.20, 226,659.42 and 103,843.08 is: 143,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,245.20 : 226,659.42 = 103,843.08 : x
  2. Step 2: Convert to fraction form
    164,245.20/226,659.42 = 103,843.08/x
  3. Step 3: Cross multiply
    164,245.20x = 226,659.42 × 103,843.08
  4. Step 4: Simplify right side
    164,245.20x = 23,537,012,283.81
  5. Step 5: Solve for x
    x = 23,537,012,283.81/164,245.20
  6. Step 6: Final answer
    x = 143,304.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.