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Finding the Fourth Proportional to 179,372.73, 269,059.10 and 156,278.01

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Solution

The fourth proportional to 179,372.73, 269,059.10 and 156,278.01 is: 234,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,372.73 : 269,059.10 = 156,278.01 : x
  2. Step 2: Convert to fraction form
    179,372.73/269,059.10 = 156,278.01/x
  3. Step 3: Cross multiply
    179,372.73x = 269,059.10 × 156,278.01
  4. Step 4: Simplify right side
    179,372.73x = 42,048,019,939.00
  5. Step 5: Solve for x
    x = 42,048,019,939.00/179,372.73
  6. Step 6: Final answer
    x = 234,417.02

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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.