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Finding the Fourth Proportional to 114,716.54, 158,319.54 and 69,405.68

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Solution

The fourth proportional to 114,716.54, 158,319.54 and 69,405.68 is: 95,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,716.54 : 158,319.54 = 69,405.68 : x
  2. Step 2: Convert to fraction form
    114,716.54/158,319.54 = 69,405.68/x
  3. Step 3: Cross multiply
    114,716.54x = 158,319.54 × 69,405.68
  4. Step 4: Simplify right side
    114,716.54x = 10,988,275,330.99
  5. Step 5: Solve for x
    x = 10,988,275,330.99/114,716.54
  6. Step 6: Final answer
    x = 95,786.32

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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.