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Finding the Fourth Proportional to 171,607.35, 236,677.73 and 120,788.31

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Solution

The fourth proportional to 171,607.35, 236,677.73 and 120,788.31 is: 166,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,607.35 : 236,677.73 = 120,788.31 : x
  2. Step 2: Convert to fraction form
    171,607.35/236,677.73 = 120,788.31/x
  3. Step 3: Cross multiply
    171,607.35x = 236,677.73 × 120,788.31
  4. Step 4: Simplify right side
    171,607.35x = 28,587,903,021.34
  5. Step 5: Solve for x
    x = 28,587,903,021.34/171,607.35
  6. Step 6: Final answer
    x = 166,589.04

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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.