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Finding the Fourth Proportional to 194,556.84, 268,492.55 and 109,673.91

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Solution

The fourth proportional to 194,556.84, 268,492.55 and 109,673.91 is: 151,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,556.84 : 268,492.55 = 109,673.91 : x
  2. Step 2: Convert to fraction form
    194,556.84/268,492.55 = 109,673.91/x
  3. Step 3: Cross multiply
    194,556.84x = 268,492.55 × 109,673.91
  4. Step 4: Simplify right side
    194,556.84x = 29,446,626,209.15
  5. Step 5: Solve for x
    x = 29,446,626,209.15/194,556.84
  6. Step 6: Final answer
    x = 151,352.30

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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.