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Finding the Fourth Proportional to 134,357.20, 201,487.20 and 54,361.60

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Solution

The fourth proportional to 134,357.20, 201,487.20 and 54,361.60 is: 81,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,357.20 : 201,487.20 = 54,361.60 : x
  2. Step 2: Convert to fraction form
    134,357.20/201,487.20 = 54,361.60/x
  3. Step 3: Cross multiply
    134,357.20x = 201,487.20 × 54,361.60
  4. Step 4: Simplify right side
    134,357.20x = 10,953,166,571.52
  5. Step 5: Solve for x
    x = 10,953,166,571.52/134,357.20
  6. Step 6: Final answer
    x = 81,522.74

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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.