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Finding the Fourth Proportional to 225,737.76, 338,602.88 and 54,961.28

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Solution

The fourth proportional to 225,737.76, 338,602.88 and 54,961.28 is: 82,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,737.76 : 338,602.88 = 54,961.28 : x
  2. Step 2: Convert to fraction form
    225,737.76/338,602.88 = 54,961.28/x
  3. Step 3: Cross multiply
    225,737.76x = 338,602.88 × 54,961.28
  4. Step 4: Simplify right side
    225,737.76x = 18,610,047,696.49
  5. Step 5: Solve for x
    x = 18,610,047,696.49/225,737.76
  6. Step 6: Final answer
    x = 82,441.00

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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.