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Finding the Fourth Proportional to 173,073.77, 238,863.71 and 100,461.14

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Solution

The fourth proportional to 173,073.77, 238,863.71 and 100,461.14 is: 138,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,073.77 : 238,863.71 = 100,461.14 : x
  2. Step 2: Convert to fraction form
    173,073.77/238,863.71 = 100,461.14/x
  3. Step 3: Cross multiply
    173,073.77x = 238,863.71 × 100,461.14
  4. Step 4: Simplify right side
    173,073.77x = 23,996,520,108.92
  5. Step 5: Solve for x
    x = 23,996,520,108.92/173,073.77
  6. Step 6: Final answer
    x = 138,649.09

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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.