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Finding the Fourth Proportional to 126,571.69, 174,674.36 and 69,207.59

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Solution

The fourth proportional to 126,571.69, 174,674.36 and 69,207.59 is: 95,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,571.69 : 174,674.36 = 69,207.59 : x
  2. Step 2: Convert to fraction form
    126,571.69/174,674.36 = 69,207.59/x
  3. Step 3: Cross multiply
    126,571.69x = 174,674.36 × 69,207.59
  4. Step 4: Simplify right side
    126,571.69x = 12,088,791,490.39
  5. Step 5: Solve for x
    x = 12,088,791,490.39/126,571.69
  6. Step 6: Final answer
    x = 95,509.44

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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.