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Finding the Fourth Proportional to 133,671.17, 184,463.81 and 79,259.97

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Solution

The fourth proportional to 133,671.17, 184,463.81 and 79,259.97 is: 109,377.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,671.17 : 184,463.81 = 79,259.97 : x
  2. Step 2: Convert to fraction form
    133,671.17/184,463.81 = 79,259.97/x
  3. Step 3: Cross multiply
    133,671.17x = 184,463.81 × 79,259.97
  4. Step 4: Simplify right side
    133,671.17x = 14,620,596,046.69
  5. Step 5: Solve for x
    x = 14,620,596,046.69/133,671.17
  6. Step 6: Final answer
    x = 109,377.34

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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.