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Finding the Fourth Proportional to 194,209.60, 272,446.40 and 194,209.60

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Solution

The fourth proportional to 194,209.60, 272,446.40 and 194,209.60 is: 272,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,209.60 : 272,446.40 = 194,209.60 : x
  2. Step 2: Convert to fraction form
    194,209.60/272,446.40 = 194,209.60/x
  3. Step 3: Cross multiply
    194,209.60x = 272,446.40 × 194,209.60
  4. Step 4: Simplify right side
    194,209.60x = 52,911,706,365.44
  5. Step 5: Solve for x
    x = 52,911,706,365.44/194,209.60
  6. Step 6: Final answer
    x = 272,446.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.