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Finding the Fourth Proportional to 125,104.63, 187,595.38 and 58,509.67

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Solution

The fourth proportional to 125,104.63, 187,595.38 and 58,509.67 is: 87,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,104.63 : 187,595.38 = 58,509.67 : x
  2. Step 2: Convert to fraction form
    125,104.63/187,595.38 = 58,509.67/x
  3. Step 3: Cross multiply
    125,104.63x = 187,595.38 × 58,509.67
  4. Step 4: Simplify right side
    125,104.63x = 10,976,143,777.32
  5. Step 5: Solve for x
    x = 10,976,143,777.32/125,104.63
  6. Step 6: Final answer
    x = 87,735.71

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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.