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Finding the Fourth Proportional to 203,885.62, 281,362.18 and 114,461.62

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Solution

The fourth proportional to 203,885.62, 281,362.18 and 114,461.62 is: 157,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,885.62 : 281,362.18 = 114,461.62 : x
  2. Step 2: Convert to fraction form
    203,885.62/281,362.18 = 114,461.62/x
  3. Step 3: Cross multiply
    203,885.62x = 281,362.18 × 114,461.62
  4. Step 4: Simplify right side
    203,885.62x = 32,205,170,929.53
  5. Step 5: Solve for x
    x = 32,205,170,929.53/203,885.62
  6. Step 6: Final answer
    x = 157,957.05

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1.5x scale

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.