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Finding the Fourth Proportional to 73,225.76, 109,883.76 and 28,844.96

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Solution

The fourth proportional to 73,225.76, 109,883.76 and 28,844.96 is: 43,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,225.76 : 109,883.76 = 28,844.96 : x
  2. Step 2: Convert to fraction form
    73,225.76/109,883.76 = 28,844.96/x
  3. Step 3: Cross multiply
    73,225.76x = 109,883.76 × 28,844.96
  4. Step 4: Simplify right side
    73,225.76x = 3,169,592,661.85
  5. Step 5: Solve for x
    x = 3,169,592,661.85/73,225.76
  6. Step 6: Final answer
    x = 43,285.21

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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.