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Finding the Fourth Proportional to 150,433.61, 207,692.91 and 96,812.01

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Solution

The fourth proportional to 150,433.61, 207,692.91 and 96,812.01 is: 133,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,433.61 : 207,692.91 = 96,812.01 : x
  2. Step 2: Convert to fraction form
    150,433.61/207,692.91 = 96,812.01/x
  3. Step 3: Cross multiply
    150,433.61x = 207,692.91 × 96,812.01
  4. Step 4: Simplify right side
    150,433.61x = 20,107,168,079.85
  5. Step 5: Solve for x
    x = 20,107,168,079.85/150,433.61
  6. Step 6: Final answer
    x = 133,661.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.