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Finding the Fourth Proportional to 171,699.15, 236,946.95 and 95,219.31

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Solution

The fourth proportional to 171,699.15, 236,946.95 and 95,219.31 is: 131,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,699.15 : 236,946.95 = 95,219.31 : x
  2. Step 2: Convert to fraction form
    171,699.15/236,946.95 = 95,219.31/x
  3. Step 3: Cross multiply
    171,699.15x = 236,946.95 × 95,219.31
  4. Step 4: Simplify right side
    171,699.15x = 22,561,925,085.60
  5. Step 5: Solve for x
    x = 22,561,925,085.60/171,699.15
  6. Step 6: Final answer
    x = 131,403.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.