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Finding the Fourth Proportional to 181,280.50, 271,926.10 and 86,520.66

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Solution

The fourth proportional to 181,280.50, 271,926.10 and 86,520.66 is: 129,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,280.50 : 271,926.10 = 86,520.66 : x
  2. Step 2: Convert to fraction form
    181,280.50/271,926.10 = 86,520.66/x
  3. Step 3: Cross multiply
    181,280.50x = 271,926.10 × 86,520.66
  4. Step 4: Simplify right side
    181,280.50x = 23,527,225,643.23
  5. Step 5: Solve for x
    x = 23,527,225,643.23/181,280.50
  6. Step 6: Final answer
    x = 129,783.54

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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.