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Finding the Fourth Proportional to 114,404.85, 171,607.28 and 106,628.85

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Solution

The fourth proportional to 114,404.85, 171,607.28 and 106,628.85 is: 159,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,404.85 : 171,607.28 = 106,628.85 : x
  2. Step 2: Convert to fraction form
    114,404.85/171,607.28 = 106,628.85/x
  3. Step 3: Cross multiply
    114,404.85x = 171,607.28 × 106,628.85
  4. Step 4: Simplify right side
    114,404.85x = 18,298,286,384.88
  5. Step 5: Solve for x
    x = 18,298,286,384.88/114,404.85
  6. Step 6: Final answer
    x = 159,943.28

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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.