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Finding the Fourth Proportional to 134,191.20, 201,286.80 and 55,264.80

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Solution

The fourth proportional to 134,191.20, 201,286.80 and 55,264.80 is: 82,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,191.20 : 201,286.80 = 55,264.80 : x
  2. Step 2: Convert to fraction form
    134,191.20/201,286.80 = 55,264.80/x
  3. Step 3: Cross multiply
    134,191.20x = 201,286.80 × 55,264.80
  4. Step 4: Simplify right side
    134,191.20x = 11,124,074,744.64
  5. Step 5: Solve for x
    x = 11,124,074,744.64/134,191.20
  6. Step 6: Final answer
    x = 82,897.20

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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.