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Finding the Fourth Proportional to 302,532.32, 453,692.72 and 89,243.61

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Solution

The fourth proportional to 302,532.32, 453,692.72 and 89,243.61 is: 133,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,532.32 : 453,692.72 = 89,243.61 : x
  2. Step 2: Convert to fraction form
    302,532.32/453,692.72 = 89,243.61/x
  3. Step 3: Cross multiply
    302,532.32x = 453,692.72 × 89,243.61
  4. Step 4: Simplify right side
    302,532.32x = 40,489,176,630.67
  5. Step 5: Solve for x
    x = 40,489,176,630.67/302,532.32
  6. Step 6: Final answer
    x = 133,834.22

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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.