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Finding the Fourth Proportional to 173,249, 239,083.64 and 93,761

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Solution

The fourth proportional to 173,249, 239,083.64 and 93,761 is: 129,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,249 : 239,083.64 = 93,761 : x
  2. Step 2: Convert to fraction form
    173,249/239,083.64 = 93,761/x
  3. Step 3: Cross multiply
    173,249x = 239,083.64 × 93,761
  4. Step 4: Simplify right side
    173,249x = 22,416,721,170.04
  5. Step 5: Solve for x
    x = 22,416,721,170.04/173,249
  6. Step 6: Final answer
    x = 129,390.19

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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.