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Finding the Fourth Proportional to 161,888.83, 242,814.56 and 43,550.87

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Solution

The fourth proportional to 161,888.83, 242,814.56 and 43,550.87 is: 65,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,888.83 : 242,814.56 = 43,550.87 : x
  2. Step 2: Convert to fraction form
    161,888.83/242,814.56 = 43,550.87/x
  3. Step 3: Cross multiply
    161,888.83x = 242,814.56 × 43,550.87
  4. Step 4: Simplify right side
    161,888.83x = 10,574,784,149.81
  5. Step 5: Solve for x
    x = 10,574,784,149.81/161,888.83
  6. Step 6: Final answer
    x = 65,321.27

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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.