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Finding the Fourth Proportional to 201,611.63, 302,315.39 and 112,841.30

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Solution

The fourth proportional to 201,611.63, 302,315.39 and 112,841.30 is: 169,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,611.63 : 302,315.39 = 112,841.30 : x
  2. Step 2: Convert to fraction form
    201,611.63/302,315.39 = 112,841.30/x
  3. Step 3: Cross multiply
    201,611.63x = 302,315.39 × 112,841.30
  4. Step 4: Simplify right side
    201,611.63x = 34,113,662,232.34
  5. Step 5: Solve for x
    x = 34,113,662,232.34/201,611.63
  6. Step 6: Final answer
    x = 169,204.83

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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.