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Finding the Fourth Proportional to 84,906.57, 117,171.60 and 53,094.09

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Solution

The fourth proportional to 84,906.57, 117,171.60 and 53,094.09 is: 73,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,906.57 : 117,171.60 = 53,094.09 : x
  2. Step 2: Convert to fraction form
    84,906.57/117,171.60 = 53,094.09/x
  3. Step 3: Cross multiply
    84,906.57x = 117,171.60 × 53,094.09
  4. Step 4: Simplify right side
    84,906.57x = 6,221,119,475.84
  5. Step 5: Solve for x
    x = 6,221,119,475.84/84,906.57
  6. Step 6: Final answer
    x = 73,270.18

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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.