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Finding the Fourth Proportional to 109,777.79, 164,667.08 and 26,671.79

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Solution

The fourth proportional to 109,777.79, 164,667.08 and 26,671.79 is: 40,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,777.79 : 164,667.08 = 26,671.79 : x
  2. Step 2: Convert to fraction form
    109,777.79/164,667.08 = 26,671.79/x
  3. Step 3: Cross multiply
    109,777.79x = 164,667.08 × 26,671.79
  4. Step 4: Simplify right side
    109,777.79x = 4,391,965,777.67
  5. Step 5: Solve for x
    x = 4,391,965,777.67/109,777.79
  6. Step 6: Final answer
    x = 40,007.78

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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.