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Finding the Fourth Proportional to 201,143.04, 301,753.44 and 68,044.92

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Solution

The fourth proportional to 201,143.04, 301,753.44 and 68,044.92 is: 102,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,143.04 : 301,753.44 = 68,044.92 : x
  2. Step 2: Convert to fraction form
    201,143.04/301,753.44 = 68,044.92/x
  3. Step 3: Cross multiply
    201,143.04x = 301,753.44 × 68,044.92
  4. Step 4: Simplify right side
    201,143.04x = 20,532,788,684.52
  5. Step 5: Solve for x
    x = 20,532,788,684.52/201,143.04
  6. Step 6: Final answer
    x = 102,080.53

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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.