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Finding the Fourth Proportional to 84,598.40, 116,750.52 and 48,310.56

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Solution

The fourth proportional to 84,598.40, 116,750.52 and 48,310.56 is: 66,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,598.40 : 116,750.52 = 48,310.56 : x
  2. Step 2: Convert to fraction form
    84,598.40/116,750.52 = 48,310.56/x
  3. Step 3: Cross multiply
    84,598.40x = 116,750.52 × 48,310.56
  4. Step 4: Simplify right side
    84,598.40x = 5,640,283,001.49
  5. Step 5: Solve for x
    x = 5,640,283,001.49/84,598.40
  6. Step 6: Final answer
    x = 66,671.27

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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.