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Finding the Fourth Proportional to 273,898.64, 377,838.60 and 173,354.96

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Solution

The fourth proportional to 273,898.64, 377,838.60 and 173,354.96 is: 239,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,898.64 : 377,838.60 = 173,354.96 : x
  2. Step 2: Convert to fraction form
    273,898.64/377,838.60 = 173,354.96/x
  3. Step 3: Cross multiply
    273,898.64x = 377,838.60 × 173,354.96
  4. Step 4: Simplify right side
    273,898.64x = 65,500,195,389.46
  5. Step 5: Solve for x
    x = 65,500,195,389.46/273,898.64
  6. Step 6: Final answer
    x = 239,140.27

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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.