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Finding the Fourth Proportional to 273,563.30, 377,688.04 and 176,817.80

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Solution

The fourth proportional to 273,563.30, 377,688.04 and 176,817.80 is: 244,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,563.30 : 377,688.04 = 176,817.80 : x
  2. Step 2: Convert to fraction form
    273,563.30/377,688.04 = 176,817.80/x
  3. Step 3: Cross multiply
    273,563.30x = 377,688.04 × 176,817.80
  4. Step 4: Simplify right side
    273,563.30x = 66,781,968,319.11
  5. Step 5: Solve for x
    x = 66,781,968,319.11/273,563.30
  6. Step 6: Final answer
    x = 244,118.89

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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.