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Finding the Fourth Proportional to 475,707.68, 713,524.26 and 134,137.30

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Solution

The fourth proportional to 475,707.68, 713,524.26 and 134,137.30 is: 201,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,707.68 : 713,524.26 = 134,137.30 : x
  2. Step 2: Convert to fraction form
    475,707.68/713,524.26 = 134,137.30/x
  3. Step 3: Cross multiply
    475,707.68x = 713,524.26 × 134,137.30
  4. Step 4: Simplify right side
    475,707.68x = 95,710,217,720.90
  5. Step 5: Solve for x
    x = 95,710,217,720.90/475,707.68
  6. Step 6: Final answer
    x = 201,195.44

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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.