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Finding the Fourth Proportional to 171,083.76, 236,095.14 and 93,559.44

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Solution

The fourth proportional to 171,083.76, 236,095.14 and 93,559.44 is: 129,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,083.76 : 236,095.14 = 93,559.44 : x
  2. Step 2: Convert to fraction form
    171,083.76/236,095.14 = 93,559.44/x
  3. Step 3: Cross multiply
    171,083.76x = 236,095.14 × 93,559.44
  4. Step 4: Simplify right side
    171,083.76x = 22,088,929,085.12
  5. Step 5: Solve for x
    x = 22,088,929,085.12/171,083.76
  6. Step 6: Final answer
    x = 129,111.78

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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.