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Finding the Fourth Proportional to 147,469.94, 221,064.77 and 94,011.86

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Solution

The fourth proportional to 147,469.94, 221,064.77 and 94,011.86 is: 140,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,469.94 : 221,064.77 = 94,011.86 : x
  2. Step 2: Convert to fraction form
    147,469.94/221,064.77 = 94,011.86/x
  3. Step 3: Cross multiply
    147,469.94x = 221,064.77 × 94,011.86
  4. Step 4: Simplify right side
    147,469.94x = 20,782,709,954.27
  5. Step 5: Solve for x
    x = 20,782,709,954.27/147,469.94
  6. Step 6: Final answer
    x = 140,928.45

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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.