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Finding the Fourth Proportional to 118,256.70, 177,039.45 and 114,800.70

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Solution

The fourth proportional to 118,256.70, 177,039.45 and 114,800.70 is: 171,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,256.70 : 177,039.45 = 114,800.70 : x
  2. Step 2: Convert to fraction form
    118,256.70/177,039.45 = 114,800.70/x
  3. Step 3: Cross multiply
    118,256.70x = 177,039.45 × 114,800.70
  4. Step 4: Simplify right side
    118,256.70x = 20,324,252,787.62
  5. Step 5: Solve for x
    x = 20,324,252,787.62/118,256.70
  6. Step 6: Final answer
    x = 171,865.55

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1.5x scale

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.