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Finding the Fourth Proportional to 150,588.63, 225,770.58 and 90,603.05

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Solution

The fourth proportional to 150,588.63, 225,770.58 and 90,603.05 is: 135,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,588.63 : 225,770.58 = 90,603.05 : x
  2. Step 2: Convert to fraction form
    150,588.63/225,770.58 = 90,603.05/x
  3. Step 3: Cross multiply
    150,588.63x = 225,770.58 × 90,603.05
  4. Step 4: Simplify right side
    150,588.63x = 20,455,502,019.42
  5. Step 5: Solve for x
    x = 20,455,502,019.42/150,588.63
  6. Step 6: Final answer
    x = 135,836.96

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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.