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Finding the Fourth Proportional to 73,400.02, 110,100.01 and 20,809.96

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Solution

The fourth proportional to 73,400.02, 110,100.01 and 20,809.96 is: 31,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,400.02 : 110,100.01 = 20,809.96 : x
  2. Step 2: Convert to fraction form
    73,400.02/110,100.01 = 20,809.96/x
  3. Step 3: Cross multiply
    73,400.02x = 110,100.01 × 20,809.96
  4. Step 4: Simplify right side
    73,400.02x = 2,291,176,804.10
  5. Step 5: Solve for x
    x = 2,291,176,804.10/73,400.02
  6. Step 6: Final answer
    x = 31,214.93

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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.