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Finding the Fourth Proportional to 134,468.80, 201,703.20 and 113,732.80

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Solution

The fourth proportional to 134,468.80, 201,703.20 and 113,732.80 is: 170,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,468.80 : 201,703.20 = 113,732.80 : x
  2. Step 2: Convert to fraction form
    134,468.80/201,703.20 = 113,732.80/x
  3. Step 3: Cross multiply
    134,468.80x = 201,703.20 × 113,732.80
  4. Step 4: Simplify right side
    134,468.80x = 22,940,269,704.96
  5. Step 5: Solve for x
    x = 22,940,269,704.96/134,468.80
  6. Step 6: Final answer
    x = 170,599.20

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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.