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Finding the Fourth Proportional to 114,027.70, 171,041.55 and 54,869.35

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Solution

The fourth proportional to 114,027.70, 171,041.55 and 54,869.35 is: 82,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,027.70 : 171,041.55 = 54,869.35 : x
  2. Step 2: Convert to fraction form
    114,027.70/171,041.55 = 54,869.35/x
  3. Step 3: Cross multiply
    114,027.70x = 171,041.55 × 54,869.35
  4. Step 4: Simplify right side
    114,027.70x = 9,384,938,671.49
  5. Step 5: Solve for x
    x = 9,384,938,671.49/114,027.70
  6. Step 6: Final answer
    x = 82,304.03

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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.