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Finding the Fourth Proportional to 272,822.60, 409,233.90 and 167,700.80

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Solution

The fourth proportional to 272,822.60, 409,233.90 and 167,700.80 is: 251,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,822.60 : 409,233.90 = 167,700.80 : x
  2. Step 2: Convert to fraction form
    272,822.60/409,233.90 = 167,700.80/x
  3. Step 3: Cross multiply
    272,822.60x = 409,233.90 × 167,700.80
  4. Step 4: Simplify right side
    272,822.60x = 68,628,852,417.12
  5. Step 5: Solve for x
    x = 68,628,852,417.12/272,822.60
  6. Step 6: Final answer
    x = 251,551.20

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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.