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Finding the Fourth Proportional to 153,313.56, 229,976.82 and 53,483.76

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Solution

The fourth proportional to 153,313.56, 229,976.82 and 53,483.76 is: 80,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,313.56 : 229,976.82 = 53,483.76 : x
  2. Step 2: Convert to fraction form
    153,313.56/229,976.82 = 53,483.76/x
  3. Step 3: Cross multiply
    153,313.56x = 229,976.82 × 53,483.76
  4. Step 4: Simplify right side
    153,313.56x = 12,300,025,046.44
  5. Step 5: Solve for x
    x = 12,300,025,046.44/153,313.56
  6. Step 6: Final answer
    x = 80,227.90

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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.