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Finding the Fourth Proportional to 171,408.96, 257,150.96 and 51,460.92

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Solution

The fourth proportional to 171,408.96, 257,150.96 and 51,460.92 is: 77,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,408.96 : 257,150.96 = 51,460.92 : x
  2. Step 2: Convert to fraction form
    171,408.96/257,150.96 = 51,460.92/x
  3. Step 3: Cross multiply
    171,408.96x = 257,150.96 × 51,460.92
  4. Step 4: Simplify right side
    171,408.96x = 13,233,224,980.48
  5. Step 5: Solve for x
    x = 13,233,224,980.48/171,408.96
  6. Step 6: Final answer
    x = 77,202.64

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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.