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Finding the Fourth Proportional to 243,845.40, 365,055.30 and 173,861.40

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Solution

The fourth proportional to 243,845.40, 365,055.30 and 173,861.40 is: 260,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,845.40 : 365,055.30 = 173,861.40 : x
  2. Step 2: Convert to fraction form
    243,845.40/365,055.30 = 173,861.40/x
  3. Step 3: Cross multiply
    243,845.40x = 365,055.30 × 173,861.40
  4. Step 4: Simplify right side
    243,845.40x = 63,469,025,535.42
  5. Step 5: Solve for x
    x = 63,469,025,535.42/243,845.40
  6. Step 6: Final answer
    x = 260,283.87

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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.