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Finding the Fourth Proportional to 118,007.70, 163,057.77 and 94,329.78

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Solution

The fourth proportional to 118,007.70, 163,057.77 and 94,329.78 is: 130,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,007.70 : 163,057.77 = 94,329.78 : x
  2. Step 2: Convert to fraction form
    118,007.70/163,057.77 = 94,329.78/x
  3. Step 3: Cross multiply
    118,007.70x = 163,057.77 × 94,329.78
  4. Step 4: Simplify right side
    118,007.70x = 15,381,203,571.39
  5. Step 5: Solve for x
    x = 15,381,203,571.39/118,007.70
  6. Step 6: Final answer
    x = 130,340.68

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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.