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Finding the Fourth Proportional to 126,329.59, 174,333.75 and 69,739.75

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Solution

The fourth proportional to 126,329.59, 174,333.75 and 69,739.75 is: 96,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,329.59 : 174,333.75 = 69,739.75 : x
  2. Step 2: Convert to fraction form
    126,329.59/174,333.75 = 69,739.75/x
  3. Step 3: Cross multiply
    126,329.59x = 174,333.75 × 69,739.75
  4. Step 4: Simplify right side
    126,329.59x = 12,157,992,141.56
  5. Step 5: Solve for x
    x = 12,157,992,141.56/126,329.59
  6. Step 6: Final answer
    x = 96,240.26

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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.