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Finding the Fourth Proportional to 181,109.80, 271,664.70 and 177,999.40

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Solution

The fourth proportional to 181,109.80, 271,664.70 and 177,999.40 is: 266,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,109.80 : 271,664.70 = 177,999.40 : x
  2. Step 2: Convert to fraction form
    181,109.80/271,664.70 = 177,999.40/x
  3. Step 3: Cross multiply
    181,109.80x = 271,664.70 × 177,999.40
  4. Step 4: Simplify right side
    181,109.80x = 48,356,153,601.18
  5. Step 5: Solve for x
    x = 48,356,153,601.18/181,109.80
  6. Step 6: Final answer
    x = 266,999.10

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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.