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Finding the Fourth Proportional to 134,513.20, 201,696.90 and 55,538.20

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Solution

The fourth proportional to 134,513.20, 201,696.90 and 55,538.20 is: 83,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,513.20 : 201,696.90 = 55,538.20 : x
  2. Step 2: Convert to fraction form
    134,513.20/201,696.90 = 55,538.20/x
  3. Step 3: Cross multiply
    134,513.20x = 201,696.90 × 55,538.20
  4. Step 4: Simplify right side
    134,513.20x = 11,201,882,771.58
  5. Step 5: Solve for x
    x = 11,201,882,771.58/134,513.20
  6. Step 6: Final answer
    x = 83,277.20

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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.