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Finding the Fourth Proportional to 151,459.81, 227,189.70 and 40,651.81

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Solution

The fourth proportional to 151,459.81, 227,189.70 and 40,651.81 is: 60,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,459.81 : 227,189.70 = 40,651.81 : x
  2. Step 2: Convert to fraction form
    151,459.81/227,189.70 = 40,651.81/x
  3. Step 3: Cross multiply
    151,459.81x = 227,189.70 × 40,651.81
  4. Step 4: Simplify right side
    151,459.81x = 9,235,672,518.36
  5. Step 5: Solve for x
    x = 9,235,672,518.36/151,459.81
  6. Step 6: Final answer
    x = 60,977.71

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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.