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Finding the Fourth Proportional to 181,763.26, 272,648.53 and 48,643.30

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Solution

The fourth proportional to 181,763.26, 272,648.53 and 48,643.30 is: 72,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,763.26 : 272,648.53 = 48,643.30 : x
  2. Step 2: Convert to fraction form
    181,763.26/272,648.53 = 48,643.30/x
  3. Step 3: Cross multiply
    181,763.26x = 272,648.53 × 48,643.30
  4. Step 4: Simplify right side
    181,763.26x = 13,262,524,640.96
  5. Step 5: Solve for x
    x = 13,262,524,640.96/181,763.26
  6. Step 6: Final answer
    x = 72,965.93

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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.