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Finding the Fourth Proportional to 72,998.73, 109,497.42 and 23,078.84

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Solution

The fourth proportional to 72,998.73, 109,497.42 and 23,078.84 is: 34,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,998.73 : 109,497.42 = 23,078.84 : x
  2. Step 2: Convert to fraction form
    72,998.73/109,497.42 = 23,078.84/x
  3. Step 3: Cross multiply
    72,998.73x = 109,497.42 × 23,078.84
  4. Step 4: Simplify right side
    72,998.73x = 2,527,072,889.11
  5. Step 5: Solve for x
    x = 2,527,072,889.11/72,998.73
  6. Step 6: Final answer
    x = 34,618.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.