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Finding the Fourth Proportional to 181,740.40, 272,092.20 and 161,004.40

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Solution

The fourth proportional to 181,740.40, 272,092.20 and 161,004.40 is: 241,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,740.40 : 272,092.20 = 161,004.40 : x
  2. Step 2: Convert to fraction form
    181,740.40/272,092.20 = 161,004.40/x
  3. Step 3: Cross multiply
    181,740.40x = 272,092.20 × 161,004.40
  4. Step 4: Simplify right side
    181,740.40x = 43,808,041,405.68
  5. Step 5: Solve for x
    x = 43,808,041,405.68/181,740.40
  6. Step 6: Final answer
    x = 241,047.35

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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.