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Finding the Fourth Proportional to 78,601.46, 108,497.34 and 46,769.67

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Solution

The fourth proportional to 78,601.46, 108,497.34 and 46,769.67 is: 64,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,601.46 : 108,497.34 = 46,769.67 : x
  2. Step 2: Convert to fraction form
    78,601.46/108,497.34 = 46,769.67/x
  3. Step 3: Cross multiply
    78,601.46x = 108,497.34 × 46,769.67
  4. Step 4: Simplify right side
    78,601.46x = 5,074,384,787.68
  5. Step 5: Solve for x
    x = 5,074,384,787.68/78,601.46
  6. Step 6: Final answer
    x = 64,558.41

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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.