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Finding the Fourth Proportional to 94,586.70, 141,880.05 and 82,922.70

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Solution

The fourth proportional to 94,586.70, 141,880.05 and 82,922.70 is: 124,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,586.70 : 141,880.05 = 82,922.70 : x
  2. Step 2: Convert to fraction form
    94,586.70/141,880.05 = 82,922.70/x
  3. Step 3: Cross multiply
    94,586.70x = 141,880.05 × 82,922.70
  4. Step 4: Simplify right side
    94,586.70x = 11,765,076,822.14
  5. Step 5: Solve for x
    x = 11,765,076,822.14/94,586.70
  6. Step 6: Final answer
    x = 124,384.05

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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.