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Finding the Fourth Proportional to 181,763.40, 272,645.10 and 48,664.20

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Solution

The fourth proportional to 181,763.40, 272,645.10 and 48,664.20 is: 72,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,763.40 : 272,645.10 = 48,664.20 : x
  2. Step 2: Convert to fraction form
    181,763.40/272,645.10 = 48,664.20/x
  3. Step 3: Cross multiply
    181,763.40x = 272,645.10 × 48,664.20
  4. Step 4: Simplify right side
    181,763.40x = 13,268,055,675.42
  5. Step 5: Solve for x
    x = 13,268,055,675.42/181,763.40
  6. Step 6: Final answer
    x = 72,996.30

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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.