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Finding the Fourth Proportional to 94,238.70, 130,033.71 and 62,450.70

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Solution

The fourth proportional to 94,238.70, 130,033.71 and 62,450.70 is: 86,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,238.70 : 130,033.71 = 62,450.70 : x
  2. Step 2: Convert to fraction form
    94,238.70/130,033.71 = 62,450.70/x
  3. Step 3: Cross multiply
    94,238.70x = 130,033.71 × 62,450.70
  4. Step 4: Simplify right side
    94,238.70x = 8,120,696,213.10
  5. Step 5: Solve for x
    x = 8,120,696,213.10/94,238.70
  6. Step 6: Final answer
    x = 86,171.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.