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Finding the Fourth Proportional to 73,303.01, 109,828.84 and 49,242.22

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Solution

The fourth proportional to 73,303.01, 109,828.84 and 49,242.22 is: 73,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,303.01 : 109,828.84 = 49,242.22 : x
  2. Step 2: Convert to fraction form
    73,303.01/109,828.84 = 49,242.22/x
  3. Step 3: Cross multiply
    73,303.01x = 109,828.84 × 49,242.22
  4. Step 4: Simplify right side
    73,303.01x = 5,408,215,901.62
  5. Step 5: Solve for x
    x = 5,408,215,901.62/73,303.01
  6. Step 6: Final answer
    x = 73,778.91

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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.