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Finding the Fourth Proportional to 234,679.50, 352,106.64 and 108,380.16

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Solution

The fourth proportional to 234,679.50, 352,106.64 and 108,380.16 is: 162,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,679.50 : 352,106.64 = 108,380.16 : x
  2. Step 2: Convert to fraction form
    234,679.50/352,106.64 = 108,380.16/x
  3. Step 3: Cross multiply
    234,679.50x = 352,106.64 × 108,380.16
  4. Step 4: Simplify right side
    234,679.50x = 38,161,373,980.26
  5. Step 5: Solve for x
    x = 38,161,373,980.26/234,679.50
  6. Step 6: Final answer
    x = 162,610.60

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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.