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Finding the Fourth Proportional to 153,425.56, 229,874.28 and 119,758.72

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Solution

The fourth proportional to 153,425.56, 229,874.28 and 119,758.72 is: 179,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,425.56 : 229,874.28 = 119,758.72 : x
  2. Step 2: Convert to fraction form
    153,425.56/229,874.28 = 119,758.72/x
  3. Step 3: Cross multiply
    153,425.56x = 229,874.28 × 119,758.72
  4. Step 4: Simplify right side
    153,425.56x = 27,529,449,533.72
  5. Step 5: Solve for x
    x = 27,529,449,533.72/153,425.56
  6. Step 6: Final answer
    x = 179,431.96

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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.