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Finding the Fourth Proportional to 150,603.68, 225,907.14 and 45,423.56

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Solution

The fourth proportional to 150,603.68, 225,907.14 and 45,423.56 is: 68,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,603.68 : 225,907.14 = 45,423.56 : x
  2. Step 2: Convert to fraction form
    150,603.68/225,907.14 = 45,423.56/x
  3. Step 3: Cross multiply
    150,603.68x = 225,907.14 × 45,423.56
  4. Step 4: Simplify right side
    150,603.68x = 10,261,506,528.22
  5. Step 5: Solve for x
    x = 10,261,506,528.22/150,603.68
  6. Step 6: Final answer
    x = 68,135.83

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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.