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Finding the Fourth Proportional to 73,279.84, 109,932.72 and 23,370.88

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Solution

The fourth proportional to 73,279.84, 109,932.72 and 23,370.88 is: 35,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,279.84 : 109,932.72 = 23,370.88 : x
  2. Step 2: Convert to fraction form
    73,279.84/109,932.72 = 23,370.88/x
  3. Step 3: Cross multiply
    73,279.84x = 109,932.72 × 23,370.88
  4. Step 4: Simplify right side
    73,279.84x = 2,569,224,407.19
  5. Step 5: Solve for x
    x = 2,569,224,407.19/73,279.84
  6. Step 6: Final answer
    x = 35,060.45

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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.