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Finding the Fourth Proportional to 109,059.94, 163,659.03 and 56,469.34

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Solution

The fourth proportional to 109,059.94, 163,659.03 and 56,469.34 is: 84,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,059.94 : 163,659.03 = 56,469.34 : x
  2. Step 2: Convert to fraction form
    109,059.94/163,659.03 = 56,469.34/x
  3. Step 3: Cross multiply
    109,059.94x = 163,659.03 × 56,469.34
  4. Step 4: Simplify right side
    109,059.94x = 9,241,717,409.14
  5. Step 5: Solve for x
    x = 9,241,717,409.14/109,059.94
  6. Step 6: Final answer
    x = 84,739.80

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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.