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Finding the Fourth Proportional to 180,431.99, 270,646.77 and 141,022.25

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Solution

The fourth proportional to 180,431.99, 270,646.77 and 141,022.25 is: 211,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,431.99 : 270,646.77 = 141,022.25 : x
  2. Step 2: Convert to fraction form
    180,431.99/270,646.77 = 141,022.25/x
  3. Step 3: Cross multiply
    180,431.99x = 270,646.77 × 141,022.25
  4. Step 4: Simplify right side
    180,431.99x = 38,167,216,460.63
  5. Step 5: Solve for x
    x = 38,167,216,460.63/180,431.99
  6. Step 6: Final answer
    x = 211,532.43

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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.