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Finding the Fourth Proportional to 54,330.30, 81,451.71 and 49,956.30

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Solution

The fourth proportional to 54,330.30, 81,451.71 and 49,956.30 is: 74,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.30 : 81,451.71 = 49,956.30 : x
  2. Step 2: Convert to fraction form
    54,330.30/81,451.71 = 49,956.30/x
  3. Step 3: Cross multiply
    54,330.30x = 81,451.71 × 49,956.30
  4. Step 4: Simplify right side
    54,330.30x = 4,069,026,060.27
  5. Step 5: Solve for x
    x = 4,069,026,060.27/54,330.30
  6. Step 6: Final answer
    x = 74,894.23

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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.