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Finding the Fourth Proportional to 134,594.80, 201,892.20 and 82,106.80

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Solution

The fourth proportional to 134,594.80, 201,892.20 and 82,106.80 is: 123,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,594.80 : 201,892.20 = 82,106.80 : x
  2. Step 2: Convert to fraction form
    134,594.80/201,892.20 = 82,106.80/x
  3. Step 3: Cross multiply
    134,594.80x = 201,892.20 × 82,106.80
  4. Step 4: Simplify right side
    134,594.80x = 16,576,722,486.96
  5. Step 5: Solve for x
    x = 16,576,722,486.96/134,594.80
  6. Step 6: Final answer
    x = 123,160.20

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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.