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Finding the Fourth Proportional to 171,429.55, 256,101.82 and 110,965.48

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Solution

The fourth proportional to 171,429.55, 256,101.82 and 110,965.48 is: 165,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,429.55 : 256,101.82 = 110,965.48 : x
  2. Step 2: Convert to fraction form
    171,429.55/256,101.82 = 110,965.48/x
  3. Step 3: Cross multiply
    171,429.55x = 256,101.82 × 110,965.48
  4. Step 4: Simplify right side
    171,429.55x = 28,418,460,467.51
  5. Step 5: Solve for x
    x = 28,418,460,467.51/171,429.55
  6. Step 6: Final answer
    x = 165,773.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.