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Finding the Fourth Proportional to 120,593.84, 180,824.52 and 95,792.72

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Solution

The fourth proportional to 120,593.84, 180,824.52 and 95,792.72 is: 143,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,593.84 : 180,824.52 = 95,792.72 : x
  2. Step 2: Convert to fraction form
    120,593.84/180,824.52 = 95,792.72/x
  3. Step 3: Cross multiply
    120,593.84x = 180,824.52 × 95,792.72
  4. Step 4: Simplify right side
    120,593.84x = 17,321,672,613.49
  5. Step 5: Solve for x
    x = 17,321,672,613.49/120,593.84
  6. Step 6: Final answer
    x = 143,636.46

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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.