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Finding the Fourth Proportional to 94,687.80, 130,671.89 and 52,249.07

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Solution

The fourth proportional to 94,687.80, 130,671.89 and 52,249.07 is: 72,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,687.80 : 130,671.89 = 52,249.07 : x
  2. Step 2: Convert to fraction form
    94,687.80/130,671.89 = 52,249.07/x
  3. Step 3: Cross multiply
    94,687.80x = 130,671.89 × 52,249.07
  4. Step 4: Simplify right side
    94,687.80x = 6,827,483,813.04
  5. Step 5: Solve for x
    x = 6,827,483,813.04/94,687.80
  6. Step 6: Final answer
    x = 72,105.21

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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.