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Finding the Fourth Proportional to 84,472.61, 116,560.65 and 50,473.90

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Solution

The fourth proportional to 84,472.61, 116,560.65 and 50,473.90 is: 69,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,472.61 : 116,560.65 = 50,473.90 : x
  2. Step 2: Convert to fraction form
    84,472.61/116,560.65 = 50,473.90/x
  3. Step 3: Cross multiply
    84,472.61x = 116,560.65 × 50,473.90
  4. Step 4: Simplify right side
    84,472.61x = 5,883,270,927.01
  5. Step 5: Solve for x
    x = 5,883,270,927.01/84,472.61
  6. Step 6: Final answer
    x = 69,647.09

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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.