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Finding the Fourth Proportional to 118,113.19, 177,169.78 and 35,007.19

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Solution

The fourth proportional to 118,113.19, 177,169.78 and 35,007.19 is: 52,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,113.19 : 177,169.78 = 35,007.19 : x
  2. Step 2: Convert to fraction form
    118,113.19/177,169.78 = 35,007.19/x
  3. Step 3: Cross multiply
    118,113.19x = 177,169.78 × 35,007.19
  4. Step 4: Simplify right side
    118,113.19x = 6,202,215,751.55
  5. Step 5: Solve for x
    x = 6,202,215,751.55/118,113.19
  6. Step 6: Final answer
    x = 52,510.78

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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.