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Finding the Fourth Proportional to 182,728.32, 274,230.96 and 77,621.04

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Solution

The fourth proportional to 182,728.32, 274,230.96 and 77,621.04 is: 116,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,728.32 : 274,230.96 = 77,621.04 : x
  2. Step 2: Convert to fraction form
    182,728.32/274,230.96 = 77,621.04/x
  3. Step 3: Cross multiply
    182,728.32x = 274,230.96 × 77,621.04
  4. Step 4: Simplify right side
    182,728.32x = 21,286,092,315.40
  5. Step 5: Solve for x
    x = 21,286,092,315.40/182,728.32
  6. Step 6: Final answer
    x = 116,490.38

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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.