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Finding the Fourth Proportional to 118,114.72, 177,180.72 and 47,995.36

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Solution

The fourth proportional to 118,114.72, 177,180.72 and 47,995.36 is: 71,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,114.72 : 177,180.72 = 47,995.36 : x
  2. Step 2: Convert to fraction form
    118,114.72/177,180.72 = 47,995.36/x
  3. Step 3: Cross multiply
    118,114.72x = 177,180.72 × 47,995.36
  4. Step 4: Simplify right side
    118,114.72x = 8,503,852,441.46
  5. Step 5: Solve for x
    x = 8,503,852,441.46/118,114.72
  6. Step 6: Final answer
    x = 71,996.55

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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.