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Finding the Fourth Proportional to 121,846.06, 168,154.08 and 73,463.46

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Solution

The fourth proportional to 121,846.06, 168,154.08 and 73,463.46 is: 101,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,846.06 : 168,154.08 = 73,463.46 : x
  2. Step 2: Convert to fraction form
    121,846.06/168,154.08 = 73,463.46/x
  3. Step 3: Cross multiply
    121,846.06x = 168,154.08 × 73,463.46
  4. Step 4: Simplify right side
    121,846.06x = 12,353,180,529.92
  5. Step 5: Solve for x
    x = 12,353,180,529.92/121,846.06
  6. Step 6: Final answer
    x = 101,383.50

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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.