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Finding the Fourth Proportional to 114,708.85, 158,323.51 and 63,739.09

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Solution

The fourth proportional to 114,708.85, 158,323.51 and 63,739.09 is: 87,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,708.85 : 158,323.51 = 63,739.09 : x
  2. Step 2: Convert to fraction form
    114,708.85/158,323.51 = 63,739.09/x
  3. Step 3: Cross multiply
    114,708.85x = 158,323.51 × 63,739.09
  4. Step 4: Simplify right side
    114,708.85x = 10,091,396,453.01
  5. Step 5: Solve for x
    x = 10,091,396,453.01/114,708.85
  6. Step 6: Final answer
    x = 87,974.00

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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.