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Finding the Fourth Proportional to 235,998.94, 325,677.24 and 128,568.70

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Solution

The fourth proportional to 235,998.94, 325,677.24 and 128,568.70 is: 177,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,998.94 : 325,677.24 = 128,568.70 : x
  2. Step 2: Convert to fraction form
    235,998.94/325,677.24 = 128,568.70/x
  3. Step 3: Cross multiply
    235,998.94x = 325,677.24 × 128,568.70
  4. Step 4: Simplify right side
    235,998.94x = 41,871,899,366.39
  5. Step 5: Solve for x
    x = 41,871,899,366.39/235,998.94
  6. Step 6: Final answer
    x = 177,424.10

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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.