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Finding the Fourth Proportional to 173,283.76, 239,133.41 and 101,664.97

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Solution

The fourth proportional to 173,283.76, 239,133.41 and 101,664.97 is: 140,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,283.76 : 239,133.41 = 101,664.97 : x
  2. Step 2: Convert to fraction form
    173,283.76/239,133.41 = 101,664.97/x
  3. Step 3: Cross multiply
    173,283.76x = 239,133.41 × 101,664.97
  4. Step 4: Simplify right side
    173,283.76x = 24,311,492,145.72
  5. Step 5: Solve for x
    x = 24,311,492,145.72/173,283.76
  6. Step 6: Final answer
    x = 140,298.74

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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.