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Finding the Fourth Proportional to 228,661.17, 342,991.95 and 95,468.82

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Solution

The fourth proportional to 228,661.17, 342,991.95 and 95,468.82 is: 143,203.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,661.17 : 342,991.95 = 95,468.82 : x
  2. Step 2: Convert to fraction form
    228,661.17/342,991.95 = 95,468.82/x
  3. Step 3: Cross multiply
    228,661.17x = 342,991.95 × 95,468.82
  4. Step 4: Simplify right side
    228,661.17x = 32,745,036,736.00
  5. Step 5: Solve for x
    x = 32,745,036,736.00/228,661.17
  6. Step 6: Final answer
    x = 143,203.31

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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.