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Finding the Fourth Proportional to 95,963.20, 143,901.60 and 43,345.60

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Solution

The fourth proportional to 95,963.20, 143,901.60 and 43,345.60 is: 64,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,963.20 : 143,901.60 = 43,345.60 : x
  2. Step 2: Convert to fraction form
    95,963.20/143,901.60 = 43,345.60/x
  3. Step 3: Cross multiply
    95,963.20x = 143,901.60 × 43,345.60
  4. Step 4: Simplify right side
    95,963.20x = 6,237,501,192.96
  5. Step 5: Solve for x
    x = 6,237,501,192.96/95,963.20
  6. Step 6: Final answer
    x = 64,998.89

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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.