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Finding the Fourth Proportional to 194,700.30, 268,808.04 and 149,291.04

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Solution

The fourth proportional to 194,700.30, 268,808.04 and 149,291.04 is: 206,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,700.30 : 268,808.04 = 149,291.04 : x
  2. Step 2: Convert to fraction form
    194,700.30/268,808.04 = 149,291.04/x
  3. Step 3: Cross multiply
    194,700.30x = 268,808.04 × 149,291.04
  4. Step 4: Simplify right side
    194,700.30x = 40,130,631,851.96
  5. Step 5: Solve for x
    x = 40,130,631,851.96/194,700.30
  6. Step 6: Final answer
    x = 206,114.89

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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.