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Finding the Fourth Proportional to 173,142.80, 238,949.13 and 96,676.94

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Solution

The fourth proportional to 173,142.80, 238,949.13 and 96,676.94 is: 133,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,142.80 : 238,949.13 = 96,676.94 : x
  2. Step 2: Convert to fraction form
    173,142.80/238,949.13 = 96,676.94/x
  3. Step 3: Cross multiply
    173,142.80x = 238,949.13 × 96,676.94
  4. Step 4: Simplify right side
    173,142.80x = 23,100,869,509.32
  5. Step 5: Solve for x
    x = 23,100,869,509.32/173,142.80
  6. Step 6: Final answer
    x = 133,420.91

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1.5x scale

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.