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Finding the Fourth Proportional to 180,671.64, 271,099.98 and 86,008.92

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Solution

The fourth proportional to 180,671.64, 271,099.98 and 86,008.92 is: 129,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,671.64 : 271,099.98 = 86,008.92 : x
  2. Step 2: Convert to fraction form
    180,671.64/271,099.98 = 86,008.92/x
  3. Step 3: Cross multiply
    180,671.64x = 271,099.98 × 86,008.92
  4. Step 4: Simplify right side
    180,671.64x = 23,317,016,491.82
  5. Step 5: Solve for x
    x = 23,317,016,491.82/180,671.64
  6. Step 6: Final answer
    x = 129,057.42

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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.