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Finding the Fourth Proportional to 118,441.88, 177,674.76 and 38,476.52

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Solution

The fourth proportional to 118,441.88, 177,674.76 and 38,476.52 is: 57,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,441.88 : 177,674.76 = 38,476.52 : x
  2. Step 2: Convert to fraction form
    118,441.88/177,674.76 = 38,476.52/x
  3. Step 3: Cross multiply
    118,441.88x = 177,674.76 × 38,476.52
  4. Step 4: Simplify right side
    118,441.88x = 6,836,305,568.26
  5. Step 5: Solve for x
    x = 6,836,305,568.26/118,441.88
  6. Step 6: Final answer
    x = 57,718.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.