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Finding the Fourth Proportional to 125,995.92, 189,013.91 and 41,759.05

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Solution

The fourth proportional to 125,995.92, 189,013.91 and 41,759.05 is: 62,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,995.92 : 189,013.91 = 41,759.05 : x
  2. Step 2: Convert to fraction form
    125,995.92/189,013.91 = 41,759.05/x
  3. Step 3: Cross multiply
    125,995.92x = 189,013.91 × 41,759.05
  4. Step 4: Simplify right side
    125,995.92x = 7,893,041,318.39
  5. Step 5: Solve for x
    x = 7,893,041,318.39/125,995.92
  6. Step 6: Final answer
    x = 62,645.21

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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.