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Finding the Fourth Proportional to 201,741.10, 302,611.65 and 130,882.30

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Solution

The fourth proportional to 201,741.10, 302,611.65 and 130,882.30 is: 196,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,741.10 : 302,611.65 = 130,882.30 : x
  2. Step 2: Convert to fraction form
    201,741.10/302,611.65 = 130,882.30/x
  3. Step 3: Cross multiply
    201,741.10x = 302,611.65 × 130,882.30
  4. Step 4: Simplify right side
    201,741.10x = 39,606,508,758.80
  5. Step 5: Solve for x
    x = 39,606,508,758.80/201,741.10
  6. Step 6: Final answer
    x = 196,323.45

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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.