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Finding the Fourth Proportional to 84,573.31, 116,654.91 and 54,396.81

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Solution

The fourth proportional to 84,573.31, 116,654.91 and 54,396.81 is: 75,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,573.31 : 116,654.91 = 54,396.81 : x
  2. Step 2: Convert to fraction form
    84,573.31/116,654.91 = 54,396.81/x
  3. Step 3: Cross multiply
    84,573.31x = 116,654.91 × 54,396.81
  4. Step 4: Simplify right side
    84,573.31x = 6,345,654,974.84
  5. Step 5: Solve for x
    x = 6,345,654,974.84/84,573.31
  6. Step 6: Final answer
    x = 75,031.41

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1.5x scale

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.