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Finding the Fourth Proportional to 174,169.76, 240,357.12 and 98,716.64

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Solution

The fourth proportional to 174,169.76, 240,357.12 and 98,716.64 is: 136,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,169.76 : 240,357.12 = 98,716.64 : x
  2. Step 2: Convert to fraction form
    174,169.76/240,357.12 = 98,716.64/x
  3. Step 3: Cross multiply
    174,169.76x = 240,357.12 × 98,716.64
  4. Step 4: Simplify right side
    174,169.76x = 23,727,247,286.48
  5. Step 5: Solve for x
    x = 23,727,247,286.48/174,169.76
  6. Step 6: Final answer
    x = 136,230.58

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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.