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Finding the Fourth Proportional to 228,513.57, 342,802.25 and 95,363.31

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Solution

The fourth proportional to 228,513.57, 342,802.25 and 95,363.31 is: 143,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,513.57 : 342,802.25 = 95,363.31 : x
  2. Step 2: Convert to fraction form
    228,513.57/342,802.25 = 95,363.31/x
  3. Step 3: Cross multiply
    228,513.57x = 342,802.25 × 95,363.31
  4. Step 4: Simplify right side
    228,513.57x = 32,690,757,235.45
  5. Step 5: Solve for x
    x = 32,690,757,235.45/228,513.57
  6. Step 6: Final answer
    x = 143,058.28

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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.