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Finding the Fourth Proportional to 331,027.96, 496,152.96 and 153,159.28

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Solution

The fourth proportional to 331,027.96, 496,152.96 and 153,159.28 is: 229,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,027.96 : 496,152.96 = 153,159.28 : x
  2. Step 2: Convert to fraction form
    331,027.96/496,152.96 = 153,159.28/x
  3. Step 3: Cross multiply
    331,027.96x = 496,152.96 × 153,159.28
  4. Step 4: Simplify right side
    331,027.96x = 75,990,430,123.47
  5. Step 5: Solve for x
    x = 75,990,430,123.47/331,027.96
  6. Step 6: Final answer
    x = 229,558.95

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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.