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Finding the Fourth Proportional to 84,004.92, 115,931.64 and 48,194.64

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Solution

The fourth proportional to 84,004.92, 115,931.64 and 48,194.64 is: 66,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,004.92 : 115,931.64 = 48,194.64 : x
  2. Step 2: Convert to fraction form
    84,004.92/115,931.64 = 48,194.64/x
  3. Step 3: Cross multiply
    84,004.92x = 115,931.64 × 48,194.64
  4. Step 4: Simplify right side
    84,004.92x = 5,587,283,654.41
  5. Step 5: Solve for x
    x = 5,587,283,654.41/84,004.92
  6. Step 6: Final answer
    x = 66,511.39

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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.