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Finding the Fourth Proportional to 201,160.94, 301,742.13 and 68,042.30

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Solution

The fourth proportional to 201,160.94, 301,742.13 and 68,042.30 is: 102,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,160.94 : 301,742.13 = 68,042.30 : x
  2. Step 2: Convert to fraction form
    201,160.94/301,742.13 = 68,042.30/x
  3. Step 3: Cross multiply
    201,160.94x = 301,742.13 × 68,042.30
  4. Step 4: Simplify right side
    201,160.94x = 20,531,228,532.10
  5. Step 5: Solve for x
    x = 20,531,228,532.10/201,160.94
  6. Step 6: Final answer
    x = 102,063.69

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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.