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Finding the Fourth Proportional to 77,505.42, 116,228.61 and 45,924.39

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Solution

The fourth proportional to 77,505.42, 116,228.61 and 45,924.39 is: 68,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,505.42 : 116,228.61 = 45,924.39 : x
  2. Step 2: Convert to fraction form
    77,505.42/116,228.61 = 45,924.39/x
  3. Step 3: Cross multiply
    77,505.42x = 116,228.61 × 45,924.39
  4. Step 4: Simplify right side
    77,505.42x = 5,337,728,014.80
  5. Step 5: Solve for x
    x = 5,337,728,014.80/77,505.42
  6. Step 6: Final answer
    x = 68,869.09

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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.