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Finding the Fourth Proportional to 181,200.81, 271,806.90 and 86,441.34

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Solution

The fourth proportional to 181,200.81, 271,806.90 and 86,441.34 is: 129,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,200.81 : 271,806.90 = 86,441.34 : x
  2. Step 2: Convert to fraction form
    181,200.81/271,806.90 = 86,441.34/x
  3. Step 3: Cross multiply
    181,200.81x = 271,806.90 × 86,441.34
  4. Step 4: Simplify right side
    181,200.81x = 23,495,352,657.25
  5. Step 5: Solve for x
    x = 23,495,352,657.25/181,200.81
  6. Step 6: Final answer
    x = 129,664.72

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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.