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Finding the Fourth Proportional to 181,748.40, 272,104.20 and 161,012.40

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Solution

The fourth proportional to 181,748.40, 272,104.20 and 161,012.40 is: 241,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,748.40 : 272,104.20 = 161,012.40 : x
  2. Step 2: Convert to fraction form
    181,748.40/272,104.20 = 161,012.40/x
  3. Step 3: Cross multiply
    181,748.40x = 272,104.20 × 161,012.40
  4. Step 4: Simplify right side
    181,748.40x = 43,812,150,292.08
  5. Step 5: Solve for x
    x = 43,812,150,292.08/181,748.40
  6. Step 6: Final answer
    x = 241,059.35

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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.