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Finding the Fourth Proportional to 84,762.65, 116,928.31 and 50,287.33

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Solution

The fourth proportional to 84,762.65, 116,928.31 and 50,287.33 is: 69,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,762.65 : 116,928.31 = 50,287.33 : x
  2. Step 2: Convert to fraction form
    84,762.65/116,928.31 = 50,287.33/x
  3. Step 3: Cross multiply
    84,762.65x = 116,928.31 × 50,287.33
  4. Step 4: Simplify right side
    84,762.65x = 5,880,012,626.04
  5. Step 5: Solve for x
    x = 5,880,012,626.04/84,762.65
  6. Step 6: Final answer
    x = 69,370.32

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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.