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Finding the Fourth Proportional to 173,892.91, 239,981.21 and 97,407.54

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Solution

The fourth proportional to 173,892.91, 239,981.21 and 97,407.54 is: 134,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,892.91 : 239,981.21 = 97,407.54 : x
  2. Step 2: Convert to fraction form
    173,892.91/239,981.21 = 97,407.54/x
  3. Step 3: Cross multiply
    173,892.91x = 239,981.21 × 97,407.54
  4. Step 4: Simplify right side
    173,892.91x = 23,375,979,312.32
  5. Step 5: Solve for x
    x = 23,375,979,312.32/173,892.91
  6. Step 6: Final answer
    x = 134,427.44

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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.