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Finding the Fourth Proportional to 84,295.38, 125,828.14 and 73,654.45

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Solution

The fourth proportional to 84,295.38, 125,828.14 and 73,654.45 is: 109,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,295.38 : 125,828.14 = 73,654.45 : x
  2. Step 2: Convert to fraction form
    84,295.38/125,828.14 = 73,654.45/x
  3. Step 3: Cross multiply
    84,295.38x = 125,828.14 × 73,654.45
  4. Step 4: Simplify right side
    84,295.38x = 9,267,802,446.22
  5. Step 5: Solve for x
    x = 9,267,802,446.22/84,295.38
  6. Step 6: Final answer
    x = 109,944.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.