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Finding the Fourth Proportional to 176,382.76, 243,314.90 and 111,737.96

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Solution

The fourth proportional to 176,382.76, 243,314.90 and 111,737.96 is: 154,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,382.76 : 243,314.90 = 111,737.96 : x
  2. Step 2: Convert to fraction form
    176,382.76/243,314.90 = 111,737.96/x
  3. Step 3: Cross multiply
    176,382.76x = 243,314.90 × 111,737.96
  4. Step 4: Simplify right side
    176,382.76x = 27,187,510,563.60
  5. Step 5: Solve for x
    x = 27,187,510,563.60/176,382.76
  6. Step 6: Final answer
    x = 154,139.27

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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.