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Finding the Fourth Proportional to 73,490.63, 101,392.16 and 50,821.16

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Solution

The fourth proportional to 73,490.63, 101,392.16 and 50,821.16 is: 70,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,490.63 : 101,392.16 = 50,821.16 : x
  2. Step 2: Convert to fraction form
    73,490.63/101,392.16 = 50,821.16/x
  3. Step 3: Cross multiply
    73,490.63x = 101,392.16 × 50,821.16
  4. Step 4: Simplify right side
    73,490.63x = 5,152,866,425.04
  5. Step 5: Solve for x
    x = 5,152,866,425.04/73,490.63
  6. Step 6: Final answer
    x = 70,115.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.