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Finding the Fourth Proportional to 235,325.70, 352,912.71 and 77,516.58

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Solution

The fourth proportional to 235,325.70, 352,912.71 and 77,516.58 is: 116,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,325.70 : 352,912.71 = 77,516.58 : x
  2. Step 2: Convert to fraction form
    235,325.70/352,912.71 = 77,516.58/x
  3. Step 3: Cross multiply
    235,325.70x = 352,912.71 × 77,516.58
  4. Step 4: Simplify right side
    235,325.70x = 27,356,586,317.73
  5. Step 5: Solve for x
    x = 27,356,586,317.73/235,325.70
  6. Step 6: Final answer
    x = 116,249.89

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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.