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Finding the Fourth Proportional to 130,049.70, 182,419.50 and 130,049.70

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Solution

The fourth proportional to 130,049.70, 182,419.50 and 130,049.70 is: 182,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,049.70 : 182,419.50 = 130,049.70 : x
  2. Step 2: Convert to fraction form
    130,049.70/182,419.50 = 130,049.70/x
  3. Step 3: Cross multiply
    130,049.70x = 182,419.50 × 130,049.70
  4. Step 4: Simplify right side
    130,049.70x = 23,723,601,249.15
  5. Step 5: Solve for x
    x = 23,723,601,249.15/130,049.70
  6. Step 6: Final answer
    x = 182,419.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.