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Finding the Fourth Proportional to 133,798.32, 184,638.92 and 82,797.48

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Solution

The fourth proportional to 133,798.32, 184,638.92 and 82,797.48 is: 114,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,798.32 : 184,638.92 = 82,797.48 : x
  2. Step 2: Convert to fraction form
    133,798.32/184,638.92 = 82,797.48/x
  3. Step 3: Cross multiply
    133,798.32x = 184,638.92 × 82,797.48
  4. Step 4: Simplify right side
    133,798.32x = 15,287,636,871.93
  5. Step 5: Solve for x
    x = 15,287,636,871.93/133,798.32
  6. Step 6: Final answer
    x = 114,258.81

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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.