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Finding the Fourth Proportional to 122,717.81, 184,056.21 and 33,980.28

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Solution

The fourth proportional to 122,717.81, 184,056.21 and 33,980.28 is: 50,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,717.81 : 184,056.21 = 33,980.28 : x
  2. Step 2: Convert to fraction form
    122,717.81/184,056.21 = 33,980.28/x
  3. Step 3: Cross multiply
    122,717.81x = 184,056.21 × 33,980.28
  4. Step 4: Simplify right side
    122,717.81x = 6,254,281,551.54
  5. Step 5: Solve for x
    x = 6,254,281,551.54/122,717.81
  6. Step 6: Final answer
    x = 50,964.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.