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Finding the Fourth Proportional to 153,245.70, 229,868.82 and 48,072.96

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Solution

The fourth proportional to 153,245.70, 229,868.82 and 48,072.96 is: 72,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,245.70 : 229,868.82 = 48,072.96 : x
  2. Step 2: Convert to fraction form
    153,245.70/229,868.82 = 48,072.96/x
  3. Step 3: Cross multiply
    153,245.70x = 229,868.82 × 48,072.96
  4. Step 4: Simplify right side
    153,245.70x = 11,050,474,589.11
  5. Step 5: Solve for x
    x = 11,050,474,589.11/153,245.70
  6. Step 6: Final answer
    x = 72,109.52

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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.