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Finding the Fourth Proportional to 114,702.91, 158,245.85 and 84,559.90

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Solution

The fourth proportional to 114,702.91, 158,245.85 and 84,559.90 is: 116,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,702.91 : 158,245.85 = 84,559.90 : x
  2. Step 2: Convert to fraction form
    114,702.91/158,245.85 = 84,559.90/x
  3. Step 3: Cross multiply
    114,702.91x = 158,245.85 × 84,559.90
  4. Step 4: Simplify right side
    114,702.91x = 13,381,253,363.91
  5. Step 5: Solve for x
    x = 13,381,253,363.91/114,702.91
  6. Step 6: Final answer
    x = 116,660.10

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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.