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Finding the Fourth Proportional to 173,957.72, 239,919.29 and 122,445.33

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Solution

The fourth proportional to 173,957.72, 239,919.29 and 122,445.33 is: 168,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,957.72 : 239,919.29 = 122,445.33 : x
  2. Step 2: Convert to fraction form
    173,957.72/239,919.29 = 122,445.33/x
  3. Step 3: Cross multiply
    173,957.72x = 239,919.29 × 122,445.33
  4. Step 4: Simplify right side
    173,957.72x = 29,376,996,025.19
  5. Step 5: Solve for x
    x = 29,376,996,025.19/173,957.72
  6. Step 6: Final answer
    x = 168,874.35

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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.