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Finding the Fourth Proportional to 144,272.44, 216,452.40 and 69,371.34

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Solution

The fourth proportional to 144,272.44, 216,452.40 and 69,371.34 is: 104,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,272.44 : 216,452.40 = 69,371.34 : x
  2. Step 2: Convert to fraction form
    144,272.44/216,452.40 = 69,371.34/x
  3. Step 3: Cross multiply
    144,272.44x = 216,452.40 × 69,371.34
  4. Step 4: Simplify right side
    144,272.44x = 15,015,593,034.22
  5. Step 5: Solve for x
    x = 15,015,593,034.22/144,272.44
  6. Step 6: Final answer
    x = 104,078.04

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1.5x scale

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.