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Finding the Fourth Proportional to 173,262.87, 239,095.59 and 96,781.59

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Solution

The fourth proportional to 173,262.87, 239,095.59 and 96,781.59 is: 133,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,262.87 : 239,095.59 = 96,781.59 : x
  2. Step 2: Convert to fraction form
    173,262.87/239,095.59 = 96,781.59/x
  3. Step 3: Cross multiply
    173,262.87x = 239,095.59 × 96,781.59
  4. Step 4: Simplify right side
    173,262.87x = 23,140,051,362.19
  5. Step 5: Solve for x
    x = 23,140,051,362.19/173,262.87
  6. Step 6: Final answer
    x = 133,554.59

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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.