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Finding the Fourth Proportional to 114,656.55, 171,984.83 and 30,416.55

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Solution

The fourth proportional to 114,656.55, 171,984.83 and 30,416.55 is: 45,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,656.55 : 171,984.83 = 30,416.55 : x
  2. Step 2: Convert to fraction form
    114,656.55/171,984.83 = 30,416.55/x
  3. Step 3: Cross multiply
    114,656.55x = 171,984.83 × 30,416.55
  4. Step 4: Simplify right side
    114,656.55x = 5,231,185,028.85
  5. Step 5: Solve for x
    x = 5,231,185,028.85/114,656.55
  6. Step 6: Final answer
    x = 45,624.83

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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.