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Finding the Fourth Proportional to 125,998.75, 189,001.77 and 32,504.50

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Solution

The fourth proportional to 125,998.75, 189,001.77 and 32,504.50 is: 48,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,998.75 : 189,001.77 = 32,504.50 : x
  2. Step 2: Convert to fraction form
    125,998.75/189,001.77 = 32,504.50/x
  3. Step 3: Cross multiply
    125,998.75x = 189,001.77 × 32,504.50
  4. Step 4: Simplify right side
    125,998.75x = 6,143,408,032.97
  5. Step 5: Solve for x
    x = 6,143,408,032.97/125,998.75
  6. Step 6: Final answer
    x = 48,757.69

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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.