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Finding the Fourth Proportional to 88,860.40, 133,096.20 and 53,738.80

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Solution

The fourth proportional to 88,860.40, 133,096.20 and 53,738.80 is: 80,490.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,860.40 : 133,096.20 = 53,738.80 : x
  2. Step 2: Convert to fraction form
    88,860.40/133,096.20 = 53,738.80/x
  3. Step 3: Cross multiply
    88,860.40x = 133,096.20 × 53,738.80
  4. Step 4: Simplify right side
    88,860.40x = 7,152,430,072.56
  5. Step 5: Solve for x
    x = 7,152,430,072.56/88,860.40
  6. Step 6: Final answer
    x = 80,490.64

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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.