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Finding the Fourth Proportional to 450,113.34, 675,069.54 and 134,529.24

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Solution

The fourth proportional to 450,113.34, 675,069.54 and 134,529.24 is: 201,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,113.34 : 675,069.54 = 134,529.24 : x
  2. Step 2: Convert to fraction form
    450,113.34/675,069.54 = 134,529.24/x
  3. Step 3: Cross multiply
    450,113.34x = 675,069.54 × 134,529.24
  4. Step 4: Simplify right side
    450,113.34x = 90,816,592,163.35
  5. Step 5: Solve for x
    x = 90,816,592,163.35/450,113.34
  6. Step 6: Final answer
    x = 201,763.83

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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.